Iwakuma; Toshihiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Iwakuma; Toshihiro.The latest application filed is for "material for organic electroluminescence device and organic electroluminescence device using the same".

Company Profile

4.124.137

Iwakuma; Toshihiro - Sodegaura JP
Iwakuma; Toshihiro - Tokyo N/A JP
IWAKUMA; Toshihiro - Sodegaura-shi JP
Iwakuma; Toshihiro - China JP
Iwakuma; Toshihiro - Chiba N/A JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Material for organic electroluminescence device and electroluminescence device employing the same Grant RE49,118 - Nakano , et al. June 28, 2	2022-06-28
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 11,069,862 - Kato , et al. July 20, 2	2021-07-20
Compound and organic electroluminescent device using same Grant 10,505,123 - Yoshida , et al. Dec	2019-12-10
Organic el element and solution containing organic el material Grant 10,079,343 - Nishimura , et al. September 18, 2	2018-09-18
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 10,026,907 - Kato , et al. July 17, 2	2018-07-17
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 10,020,454 - Kato , et al. July 10, 2	2018-07-10
Material for organic electroluminescent element, and organic electroluminescent element produced using same Grant 9,991,447 - Iwakuma , et al. June 5, 2	2018-06-05
Biscarbazole derivative host materials for OLED emissive region Grant 9,985,232 - Nishimura , et al. May 29, 2	2018-05-29
Biscarbazole derivative host materials and green emitter for OLED emissive region Grant 9,966,541 - Yamamoto , et al. May 8, 2	2018-05-08
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20180083205 - KATO; Tomoki ; et al.	2018-03-22
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20180040835 - KATO; Tomoki ; et al.	2018-02-08
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 9,847,493 - Kato , et al. December 19, 2	2017-12-19
Amine compound having hetero-fused ring and organic electroluminescent element using amine compound Grant 9,842,996 - Yoshida , et al. December 12, 2	2017-12-12
Material for organic electroluminescent element, and element using same Grant 9,685,614 - Iwakuma , et al. June 20, 2	2017-06-20
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 9,660,203 - Kato , et al. May 23, 2	2017-05-23
Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Grant RE46,368 - Iwakuma , et al. April 18, 2	2017-04-18
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20170092877 - KATO; Tomoki ; et al.	2017-03-30
Organic light emitting device and materials for use in same Grant 9,601,708 - Yamamoto , et al. March 21, 2	2017-03-21
Organic electroluminescence device Grant 9,419,231 - Yoshida , et al. August 16, 2	2016-08-16
Compound And Organic Electroluminescent Device Using Same App 20160163996 - YOSHIDA; Kei ; et al.	2016-06-09
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20160118602 - Kato; Tomoki ; et al.	2016-04-28
Fluorene-containing aromatic compound, material for organic electroluminescent element, and organic electroluminescent element using same Grant 9,266,851 - Yoshida , et al. February 23, 2	2016-02-23
Amine Compound Having Hetero-fused Ring And Organic Electroluminescent Element Using Amine Compound App 20160013419 - YOSHIDA; Kei ; et al.	2016-01-14
Material for organic electroluminescence device and organic electroluminescence device utilizing the same Grant 9,209,410 - Iwakuma , et al. December 8, 2	2015-12-08
Organic electroluminescent element material and organic electroluminescent element comprising same Grant 9,126,887 - Iwakuma , et al. September 8, 2	2015-09-08
Biscarbazole Derivative Host Materials And Green Emitter For Oled Emissive Region App 20150243905 - Yamamoto; Hitoshi ; et al.	2015-08-27
Organic light emitting device and materials for use in same Grant 9,112,171 - D'Andrade , et al. August 18, 2	2015-08-18
Organic EL element and organic EL material-containing solution Grant 9,082,995 - Nishimura , et al. July 14, 2	2015-07-14
Biscarbazole Derivative Host Materials For Oled Emissive Region App 20150194621 - Nishimura; Kazuki ; et al.	2015-07-09
Biscarbazole Derivative Host Materials And Red Emitter For Oled Emissive Region App 20150194622 - Yamamoto; Hitoshi ; et al.	2015-07-09
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20150171334 - KATO; Tomoki ; et al.	2015-06-18
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 9,056,870 - Kato , et al. June 16, 2	2015-06-16
Organic electroluminescence device Grant 9,054,319 - Nishimura , et al. June 9, 2	2015-06-09
Material for organic electroluminescent element, and organic electroluminescent element Grant 8,940,412 - Takashima , et al. January 27, 2	2015-01-27
Organic light emitting device and materials for use in same Grant 8,941,099 - Yamamoto , et al. January 27, 2	2015-01-27
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 8,927,118 - Kato , et al. January 6, 2	2015-01-06
Material For Organic Electroluminescent Element, And Element Using Same App 20140367667 - Iwakuma; Toshihiro ; et al.	2014-12-18
Organic electroluminescent device Grant 8,912,531 - Ogiwara , et al. December 16, 2	2014-12-16
Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Grant 8,911,886 - Iwakuma , et al. December 16, 2	2014-12-16
Organic electroluminescent device Grant 8,895,154 - Iwakuma , et al. November 25, 2	2014-11-25
Material For Organic Electroluminescent Element, And Organic Electroluminescent Element Produced Using Same App 20140231794 - Iwakuma; Toshihiro ; et al.	2014-08-21
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 8,785,003 - Inoue , et al. July 22, 2	2014-07-22
Organic electroluminescence device and material for organic electroluminescence device Grant 8,779,655 - Nishimura , et al. July 15, 2	2014-07-15
Organic electroluminescence device Grant 8,759,819 - Nishimura , et al. June 24, 2	2014-06-24
Material for organic electroluminescence devices and organic electroluminescence device using the material Grant 8,741,450 - Iwakuma , et al. June 3, 2	2014-06-03
Organic Electroluminescence Device App 20140131680 - NISHIMURA; Kazuki ; et al.	2014-05-15
Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Grant 8,685,543 - Iwakuma , et al. April 1, 2	2014-04-01
Organic El Element And Solution Containing Organic El Material App 20140061627 - NISHIMURA; Kazuki ; et al.	2014-03-06
Organic Electroluminescence Device App 20140027744 - YOSHIDA; Kei ; et al.	2014-01-30
Material For Organic Electroluminescence Element, And Organic Electroluminescence Element Using The Material App 20140021461 - Iwakuma; Toshihiro ; et al.	2014-01-23
Organic electroluminescent device Grant 8,623,524 - Arakane , et al. January 7, 2	2014-01-07
Material For Organic Electroluminescent Devices And Organic Electroluminescent Devices Made By Using The Same App 20140001460 - IWAKUMA; Toshihiro ; et al.	2014-01-02
Organic electroluminescent element Grant 8,604,466 - Endo , et al. December 10, 2	2013-12-10
Organic Light Emitting Device And Materials For Use In Same App 20130306963 - Yamamoto; Hitoshi ; et al.	2013-11-21
Organic Light Emitting Device And Materials For Use In Same App 20130306961 - Yamamoto; Hitoshi ; et al.	2013-11-21
Organic Light Emitting Device And Materials For Use In Same App 20130306960 - Yamamoto; Hitoshi ; et al.	2013-11-21
Organic Light Emitting Device And Materials For Use In Same App 20130306962 - Yamamoto; Hitoshi ; et al.	2013-11-21
Organic electroluminescence device and material for organic electroluminescence device Grant 8,587,192 - Nishimura , et al. November 19, 2	2013-11-19
Material for organic electroluminescence devices and organic electroluminescence device using the material Grant 8,580,391 - Iwakuma , et al. November 12, 2	2013-11-12
Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Grant 8,580,398 - Iwakuma , et al. November 12, 2	2013-11-12
Organic el element and solution containing organic el material Grant 8,574,725 - Nishimura , et al. November 5, 2	2013-11-05
Phenanthrene derivative, and material for organic EL element Grant 8,568,903 - Kawamura , et al. October 29, 2	2013-10-29
Material containing two or three dibenzofuran groups, dibenzothiophene groups, or a combination thereof, which is operable for organic electroluminescence elements, and organic electroluminescence elements using the material Grant 8,563,145 - Iwakuma , et al. October 22, 2	2013-10-22
Organic El Device And Anthracene Derivative App 20130187143 - NISHIMURA; Kazuki ; et al.	2013-07-25
Material for organic electroluminescent element and organic electroluminescent element employing the same Grant 8,471,008 - Iwakuma , et al. June 25, 2	2013-06-25
Organic electroluminescent device Grant 8,470,455 - Matsuura , et al. June 25, 2	2013-06-25
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20130153874 - KATO; Tomoki ; et al.	2013-06-20
Organic Light Emitting Device And Materials For Use In Same App 20130126832 - Yamamoto; Hitoshi ; et al.	2013-05-23
Organic Electroluminescent Device App 20130126849 - ARAKANE; Takashi ; et al.	2013-05-23
Organic EL device Grant 8,436,343 - Nishimura , et al. May 7, 2	2013-05-07
Organic EL device and anthracene derivative Grant 8,426,036 - Nishimura , et al. April 23, 2	2013-04-23
Composite organic electroluminescent material and production method thereof Grant 8,425,801 - Matsunami , et al. April 23, 2	2013-04-23
Crosslinked pi-conjugated heteroacene compound for organic electroluminescence device and organic electroluminescence device using the same Grant 8,409,730 - Kato , et al. April 2, 2	2013-04-02
Organic electroluminescence device Grant 8,377,575 - Iwakuma , et al. February 19, 2	2013-02-19
Crosslinked pi-conjugated heteroacene compound for organic electroluminescence device and organic electroluminescence device using the same Grant 8,372,529 - Kato , et al. February 12, 2	2013-02-12
Polycyclic Compounds And Organic Electroluminescence Device Employing The Same App 20130020563 - KATO; Tomoki ; et al.	2013-01-24
Material For Organic Electroluminescence Devices And Organic Electroluminescence Device Using The Material App 20120319099 - IWAKUMA; Toshihiro ; et al.	2012-12-20
Organic electroluminescence device and material for organic electroluminescence device Grant 8,330,350 - Nishimura , et al. December 11, 2	2012-12-11
Material For Organic Electroluminescence Devices And Organic Electroluminescence Device Using The Material App 20120298975 - IWAKUMA; Toshihiro ; et al.	2012-11-29
Polycyclic compounds and organic electroluminescence device employing the same Grant 8,318,323 - Kato , et al. November 27, 2	2012-11-27
Organic EL device Grant 8,294,142 - Nishimura , et al. October 23, 2	2012-10-23
Material For Organic Electroluminescent Devices And Organic Electroluminescent Devices Made By Using The Same App 20120235129 - IWAKUMA; Toshihiro ; et al.	2012-09-20
Organic Electroluminescence Device App 20120199817 - NISHIMURA; Kazuki ; et al.	2012-08-09
Chrysene derivative and organic electroluminescent device using the same Grant 8,221,907 - Kawamura , et al. July 17, 2	2012-07-17
Metal Complex Compound And Organic Electroluminescent Device Using Same App 20120169219 - OKUDA; Fumio ; et al.	2012-07-05
Organic electroluminescence device Grant 8,211,552 - Nishimura , et al. July 3, 2	2012-07-03
Organic EL device Grant 8,207,526 - Nishimura , et al. June 26, 2	2012-06-26
Organic Electroluminescent Device App 20120153267 - MATSUURA; Masahide ; et al.	2012-06-21
Organic Electroluminescence Device And Material For Organic Electroluminescence Device App 20120139410 - NISHIMURA; Kazuki ; et al.	2012-06-07
Fluorene-containing Aromatic Compound, Material For Organic Electroluminescent Element, And Organic Electroluminescent Element Using Same App 20120126217 - Yoshida; Kei ; et al.	2012-05-24
Organic Electroluminescent Element App 20120119196 - Ogiwara; Toshinari ; et al.	2012-05-17
Metal complex compound and organic electroluminescent device using same Grant 8,178,874 - Okuda , et al. May 15, 2	2012-05-15
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20120112629 - KATO; Tomoki ; et al.	2012-05-10
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20120104943 - KATO; Tomoki ; et al.	2012-05-03
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Utilizing The Same App 20120097937 - IWAKUMA; Toshihiro ; et al.	2012-04-26
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20120085995 - KATO; Tomoki ; et al.	2012-04-12
Organic electroluminescence device and material for organic electroluminescence device Grant 8,154,195 - Nishimura , et al. April 10, 2	2012-04-10
Material For Organic Electroluminescent Element And Organic Electroluminescent Element Employing The Same App 20120068164 - Iwakuma; Toshihiro ; et al.	2012-03-22
Organic Electroluminescent Element App 20120037895 - Endo; Jun ; et al.	2012-02-16
Material for organic electroluminescence device and organic electroluminescence device utilizing the same Grant 8,114,530 - Iwakuma , et al. February 14, 2	2012-02-14
Organic EL device Grant 8,106,391 - Endo , et al. January 31, 2	2012-01-31
Organic electroluminescent device Grant 8,105,701 - Matsuura , et al. January 31, 2	2012-01-31
Metal complex compound and organic electroluminescent device using same Grant 8,106,390 - Okuda , et al. January 31, 2	2012-01-31
Organic Electroluminescence Element And Compound App 20120007059 - Iwakuma; Toshihiro ; et al.	2012-01-12
Organic Electroluminescence Device App 20120001160 - Iwakuma; Toshihiro ; et al.	2012-01-05
Material For Organic Electroluminescent Element, And Organic Electroluminescent Element App 20110315965 - Takashima; Yoriyuki ; et al.	2011-12-29
Organic El Device App 20110309337 - Nishimura; Kazuki ; et al.	2011-12-22
Materical for organic electroluminescent devices and organic electroluminescent devices made by using the same App 20110309338 - Iwakuma; Toshihiro ; et al.	2011-12-22
Material for organic electroluminescent element and organic electroluminescent element employing the same Grant 8,080,658 - Iwakuma , et al. December 20, 2	2011-12-20
Organic Electroluminescent Element Material And Organic Electroluminescent Element Comprising Same App 20110303907 - Iwakuma; Toshihiro ; et al.	2011-12-15
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20110291081 - Inoue; Tetsuya ; et al.	2011-12-01
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 8,057,919 - Kato , et al. November 15, 2	2011-11-15
Material for organic electroluminescence device and organic electroluminescence device using the same Grant 8,049,411 - Kato , et al. November 1, 2	2011-11-01
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20110253995 - KATO; Tomoki ; et al.	2011-10-20
Organic electroluminescence device and material for organic electroluminescence device Grant 8,039,127 - Iwakuma , et al. October 18, 2	2011-10-18
Organic electroluminescence device and material for organic electroluminescence device Grant 8,039,129 - Iwakuma , et al. October 18, 2	2011-10-18
Organic electroluminescence device Grant 8,039,121 - Iwakuma , et al. October 18, 2	2011-10-18
Organic Light Emitting Device And Materials For Use In Same App 20110248250 - D'Andrade; Brian ; et al.	2011-10-13
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Grant 8,034,256 - Kawamura , et al. October 11, 2	2011-10-11
Organic electroluminescent device with carrier blocking layer interposed between two emitting layers Grant 8,035,297 - Arakane , et al. October 11, 2	2011-10-11
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Grant 8,029,697 - Kawamura , et al. October 4, 2	2011-10-04
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Grant 8,025,815 - Kawamura , et al. September 27, 2	2011-09-27
Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same Grant 8,021,574 - Kawamura , et al. September 20, 2	2011-09-20
Material for organic electroluminescent devices and organic electroluminescent devices made by using the same Grant 7,990,046 - Iwakuma , et al. August 2, 2	2011-08-02
Material for organic electroluminescence device and organic electroluminescence device utilizing the same Grant 7,968,213 - Iwakuma , et al. June 28, 2	2011-06-28
Organic Electroluminescent Device App 20110121277 - MATSUURA; Masahide ; et al.	2011-05-26
Material for organic electroluminescent device and organic electroluminescent device using same Grant 7,939,183 - Iwakuma , et al. May 10, 2	2011-05-10
Organic electroluminescent device Grant 7,906,226 - Matsuura , et al. March 15, 2	2011-03-15
Organic electroluminescent device and display having multiple emitting layers Grant 7,888,865 - Iwakuma , et al. February 15, 2	2011-02-15
Metal complex compound and organic electroluminescent device using same App 20110017984 - Okuda; Fumio ; et al.	2011-01-27
Organic El Element And Solution Containing Organic El Material App 20110001130 - Nishimura; Kazuki ; et al.	2011-01-06
Phenanthrene Derivative, And Material For Organic El Element App 20100327230 - Kawamura; Masahiro ; et al.	2010-12-30
Phenanthrene Derivative, And Material For Organic El Element App 20100331585 - Kawamura; Masahiro ; et al.	2010-12-30
Material for organic electroluminescence device and electroluminescence device employing the same Grant 7,846,560 - Nakano , et al. December 7, 2	2010-12-07
Organic El Element App 20100283043 - Nishimura; Kazuki ; et al.	2010-11-11
Material for organic electroluminescent device and organic electroluminescent device using same Grant 7,829,204 - Iwakuma , et al. November 9, 2	2010-11-09
Organic El Element And Organic El Material-containing Solution App 20100270539 - Nishimura; Kazuki ; et al.	2010-10-28
Composite Organic Electroluminescent Material And Production Method Thereof App 20100258767 - MATSUNAMI; Hidehiro ; et al.	2010-10-14
Organic Electroluminescence Device And Material For Organic Electroluminescence Device App 20100258791 - IWAKUMA; Toshihiro ; et al.	2010-10-14
Organic Electroluminescence Device And Material For Organic Electroluminescence Device App 20100253211 - IWAKUMA; Toshihiro ; et al.	2010-10-07
Organic El Device App 20100219404 - Endo; Jun ; et al.	2010-09-02
Organic El Device App 20100207110 - Nishimura; Kazuki ; et al.	2010-08-19
Organic Electroluminescent Device With Carrier Blocking Layer Interposed Between Two Emitting Layers App 20100200848 - ARAKANE; Takashi ; et al.	2010-08-12
Chrysene Derivative And Organic Electroluminescent Device Using The Same App 20100194270 - Kawamura; Masahiro ; et al.	2010-08-05
Organic El Device App 20100187517 - Nishimura; Kazuki ; et al.	2010-07-29
Organic El Device App 20100171109 - Nishimura; Kazuki ; et al.	2010-07-08
Organic Electroluminescent Device App 20100163853 - OGIWARA; Toshinari ; et al.	2010-07-01
Metal complex compound and organic electroluminescent device using same App 20100155713 - Okuda; Fumio ; et al.	2010-06-24
Organic electroluminescent device with carrier blocking layer interposed between two emitting layers Grant 7,737,625 - Arakane , et al. June 15, 2	2010-06-15
Material For Organic Electroluminescence Device And Electroluminescence Device Employing The Same App 20100084971 - NAKANO; Yuki ; et al.	2010-04-08
Organic El Device App 20100044689 - Nishimura; Kazuki ; et al.	2010-02-25
Metal complex compound and organic electroluminescent device using same Grant 7,667,228 - Okuda , et al. February 23, 2	2010-02-23
Azaaromatic compounds having azafluoranthene skeletons and organic electroluminescent devices made by using the same Grant 7,662,487 - Iwakuma February 16, 2	2010-02-16
Material for organic electroluminescence device and electroluminescence device employing the same Grant 7,651,791 - Nakano , et al. January 26, 2	2010-01-26
Polycyclic Compounds And Organic Electroluminescence Device Employing The Same App 20100012931 - KATO; Tomoki ; et al.	2010-01-21
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20090309488 - KATO; Tomoki ; et al.	2009-12-17
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Using The Same App 20090302743 - KATO; Tomoki ; et al.	2009-12-10
Blue organic electroluminescent device comprising dopants having ultraviolet and visible luminescent properties Grant 7,608,993 - Matsuura , et al. October 27, 2	2009-10-27
Organic Electroluminescence Device App 20090243473 - Iwakuma; Toshihiro ; et al.	2009-10-01
Material For Organic Electroluminescence Element, And Organic Electroluminescence Element Using The Material App 20090224658 - Iwakuma; Toshihiro ; et al.	2009-09-10
Organic Electroluminescent Device App 20090218933 - Matsushima; Toshinori ; et al.	2009-09-03
Organic electroluminescence element having two electroluminescent layers through electron barrier layer Grant 7,576,486 - Iwakuma , et al. August 18, 2	2009-08-18
Organic Electroluminescence Device And Organic-electroluminescence-material-containing Solution App 20090174313 - NISHIMURA; Kazuki ; et al.	2009-07-09
Organic electroluminescence device App 20090072732 - Arakane; Takashi ; et al.	2009-03-19
Organic Electroluminescence Device And Material For Organic Electroluminescence Device App 20090045731 - Nishimura; Kazuki ; et al.	2009-02-19
Organic Electroluminescence Device And Material For Organic Electroluminescence Device App 20090045730 - Nishimura; Kazuki ; et al.	2009-02-19
Naphthalene Derivative, Material For Organic Electroluminescence Device, And Organic Electroluminescence Device Using The Same App 20090039317 - Kawamura; Masahiro ; et al.	2009-02-12
Material For Organic Electroluminescent Element And Organic Electroluminescent Element Employing The Same App 20090030202 - Iwakuma; Toshihiro ; et al.	2009-01-29
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Utilizing The Same App 20090017330 - Iwakuma; Toshihiro ; et al.	2009-01-15
Material For Organic Electroluminescence Device And Organic Electroluminescence Device Utilizing The Same App 20090017331 - IWAKUMA; Toshihiro ; et al.	2009-01-15
Naphthalene Derivative, Material For Organic Electroluminescence Device, And Organic Electroluminescence Device Using The Same App 20090008607 - Kawamura; Masahiro ; et al.	2009-01-08
Naphthalene Derivative, Material For Organic Electroluminescence Device, And Organic Electroluminescence Device Using The Same App 20090008606 - KAWAMURA; Masahiro ; et al.	2009-01-08
Organic Electroluminescence Device And Material For Organic Electroluminescence Device App 20090009065 - NISHIMURA; Kazuki ; et al.	2009-01-08
Naphthalene Derivative, Material For Organic Electroluminescence Device, And Organic Electroluminescence Device Using The Same App 20090008605 - Kawamura; Masahiro ; et al.	2009-01-08
Organic Electroluminescence Device App 20090009066 - NISHIMURA; Kazuki ; et al.	2009-01-08
Organic Electroluminescence Device And Material For Organic Electroluminescence Device App 20090009067 - NISHIMURA; Kazuki ; et al.	2009-01-08
Organic Electroluminescent Device and Display App 20080246391 - Iwakuma; Toshihiro ; et al.	2008-10-09
Azaaromatic Compounds Having Azafluoranthene Skeletons And Organic Electroluminescent Devices Made By Using The Same App 20080206597 - IWAKUMA; Toshihiro	2008-08-28
Luminescent Device App 20080100213 - Iwakuma; Toshihiro ; et al.	2008-05-01
Organic Electroluminescent Device App 20070296328 - Matsuura; Masahide ; et al.	2007-12-27
Organic Electroluminescent Device App 20070257600 - Matsuura; Masahide ; et al.	2007-11-08
Method For Producing Aromatic Amino Compound App 20070249861 - Iwakuma; Toshihiro ; et al.	2007-10-25
Method For Producing Aromatic Amino Compound App 20070249866 - IWAKUMA; Toshihiro ; et al.	2007-10-25
Material for organic electroluminescence device and organic electroluminescence device using the same App 20070224446 - Nakano; Yuki ; et al.	2007-09-27
Material for organic electroluminescent element and organic electroluminescent element employing the same App 20070190356 - Arakane; Takashi ; et al.	2007-08-16
Organic electroluminescence element having two electroluminescent layers through electron barrier layer App 20070188083 - Iwakuma; Toshihiro ; et al.	2007-08-16
Method for producing aromatic amino compound Grant 7,250,532 - Iwakuma , et al. July 31, 2	2007-07-31
Organic electroluminescent device App 20070172698 - Iwakuma; Toshihiro ; et al.	2007-07-26
Organic electroluminescent device App 20070159083 - Matsuura; Masahide ; et al.	2007-07-12
Aromatic compounds and organic electroluminescent devices made by using the same Grant 7,235,312 - Iwakuma , et al. June 26, 2	2007-06-26
Material for organic electroluminescence device and electroluminescence device employing the same App 20070141387 - Nakano; Yuki ; et al.	2007-06-21
Material for organic electroluminescent device and organic electroluminescent device using same App 20070128467 - Iwakuma; Toshihiro ; et al.	2007-06-07
Host material for organic electroluminescent element and organic electroluminescent element App 20070116982 - Nakamura; Hiroaki ; et al.	2007-05-24
Organic electroluminescence device App 20070108898 - Matsuura; Masahide ; et al.	2007-05-17
Material for organic electroluminescent device and organic electroluminescent device using same App 20070104976 - Iwakuma; Toshihiro ; et al.	2007-05-10
Blue organic electroluminescent device App 20070069638 - Matsuura; Masahide ; et al.	2007-03-29
Organic electroluminescence device App 20070054151 - Iwakuma; Toshihiro ; et al.	2007-03-08
Organic electroluminescence device App 20070052346 - Iwakuma; Toshihiro ; et al.	2007-03-08
Coordination metal compound, material for organic electroluminescence device, material for luminescent coating formation and organic electroluminescence device App 20070009760 - Inoue; Tetsuya ; et al.	2007-01-11
Organic electroluminescent device App 20060257684 - Arakane; Takashi ; et al.	2006-11-16
Organic electroluminescent device material and organic electroluminescent device using same App 20060251918 - Iwakuma; Toshihiro ; et al.	2006-11-09
Metal complex compound and organic electroluminescent device using same App 20060197077 - Okuda; Fumio ; et al.	2006-09-07
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