Ikeda; Hidetsugu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ikeda; Hidetsugu.The latest application filed is for "novel compound and organic electroluminescence device".

Company Profile

19.55.89

Ikeda; Hidetsugu - Sodegaura JP
IKEDA; Hidetsugu - Sodegaura-shi JP
IKEDA; Hidetsugu - Ichihara-shi JP
Ikeda; Hidetsugu - Ichihara JP
- Sodegaura JP
Ikeda; Hidetsugu - Chiba JP
Ikeda; Hidetsugu - Chiba-ken JP
Ikeda; Hidetsugu - Narashino JP
Ikeda, Hidetsugu - Narashino-shi 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
Compounds for organic electroluminescence device Grant 11,342,512 - Nakano , et al. May 24, 2	2022-05-24
Novel Compound And Organic Electroluminescence Device App 20220020925 - NAKANO; Yuki ; et al.	2022-01-20
New Compound And Organic Electroluminescence Device App 20210395233 - TAKAHASHI; Ryota ; et al.	2021-12-23
Compound and organic electroluminescence device Grant 11,139,437 - Seda , et al. October 5, 2	2021-10-05
Novel Compound And Organic Electroluminescence Device App 20210066599 - NAKANO; Yuki ; et al.	2021-03-04
Novel Compound And Organic Electroluminescence Device App 20210062078 - KATO; Tomoki ; et al.	2021-03-04
Novel Compound And Organic Electroluminescence Device App 20200377513 - SEDA; Keita ; et al.	2020-12-03
Compound, Material For Organic Electroluminescent Element, Organic Electroluminescent Element, And Electronic Device App 20200266361 - TAKAHASHI; Ryota ; et al.	2020-08-20
Organic Electroluminescent Element, Electronic Device, And Compound App 20200212315 - TAKAHASHI; Ryota ; et al.	2020-07-02
Organic electroluminescence device and novel compound Grant 10,680,181 - Takahashi , et al.	2020-06-09
Organic electroluminescence device and novel compound Grant 10,672,989 - Takahashi , et al.	2020-06-02
Organic electroluminescence device and novel compound Grant 10,658,594 - Takahashi , et al.	2020-05-19
Compound And Organic Electroluminescence Device App 20200098994 - TAKAHASHI; Ryota ; et al.	2020-03-26
Compound and organic electroluminescence device Grant 10,593,889 - Takahashi , et al.	2020-03-17
Organic Electroluminescence Element And Electronic Device App 20200052225 - TAKAHASHI; Ryota ; et al.	2020-02-13
Organic Electroluminescence Device And Novel Compound App 20190393429 - TAKAHASHI; Ryota ; et al.	2019-12-26
Organic Electroluminescence Device And Novel Compound App 20190355914 - TAKAHASHI; Ryota ; et al.	2019-11-21
Organic Electroluminescence Device And Novel Compound App 20190341556 - TAKAHASHI; Ryota ; et al.	2019-11-07
Organic Electroluminescence Device And Novel Compound App 20190221747 - TAKAHASHI; Ryota ; et al.	2019-07-18
Novel Compound And Organic Electroluminescence Device App 20190214579 - SEDA; Keita ; et al.	2019-07-11
Organic Electroluminescence Device And Novel Compound App 20190194215 - TAKAHASHI; Ryota ; et al.	2019-06-27
Organic electroluminescence device and novel compound Grant 10,249,832 - Takahashi , et al.	2019-04-02
Compound, Organic Electroluminescence Device And Electronic Device App 20190097142 - TAKAHASHI; Ryota ; et al.	2019-03-28
Compound, organic electroluminescence device and electronic device Grant 10,230,058 - Takahashi , et al.	2019-03-12
Organic electroluminescence device and novel compound Grant 10217948 -	2019-02-26
Organic electroluminescence device and anthracene derivative Grant 10,217,943 - Ikeda , et al. Feb	2019-02-26
Compound, Organic Electroluminescence Device And Electronic Device App 20180198076 - TAKAHASHI; RYOTA ; et al.	2018-07-12
Compound, organic electroluminescence device and electronic device Grant 9,954,187 - Takahashi , et al. April 24, 2	2018-04-24
Compound, Organic Electroluminescence Device And Electronic Device App 20170324045 - TAKAHASHI; Ryota ; et al.	2017-11-09
Organic Electroluminescence Device And Anthracene Derivative App 20170125687 - IKEDA; Hidetsugu ; et al.	2017-05-04
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
Organic electroluminescence device and anthracene derivative Grant 9,583,716 - Ikeda , et al. February 28, 2	2017-02-28
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 Electroluminescence Device And Anthracene Derivative App 20140291653 - IKEDA; Hidetsugu ; et al.	2014-10-02
Organic electroluminescence device and anthracene derivative Grant 8,785,006 - Ikeda , et al. July 22, 2	2014-07-22
Heterocycle-containing asymmetric aromatic compound, compound for organic thin film transistor, and organic thin film transistor using the same Grant 8,766,243 - Ikeda , et al. July 1, 2	2014-07-01
Indenopyrene compound, organic thin film solar cell material using the same, and organic thin film solar cell Grant 8,759,590 - Ikeda , 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
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 Semiconductor Material, Coating Liquid Containing The Material, And Organic Thin Film Transistor App 20140061616 - Sunagawa; Misa ; et al.	2014-03-06
Material For Organic Electroluminescence Element, And Organic Electroluminescence Element Using The Material App 20140021461 - Iwakuma; Toshihiro ; et al.	2014-01-23
Material For Organic Electroluminescent Devices And Organic Electroluminescent Devices Made By Using The Same App 20140001460 - IWAKUMA; Toshihiro ; et al.	2014-01-02
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
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
Indenoperylene Compound, Material For Organic Thin-film Photovotaic Cell Containing Indenoperylene Derivative And Organic Thin Film Photovotaic Cell Using Same App 20130174910 - Yasukawa; Keiichi ; et al.	2013-07-11
Organic electroluminescence device Grant 8,377,575 - Iwakuma , et al. February 19, 2	2013-02-19
Material For Organic Electroluminescence Devices And Organic Electroluminescence Device Using The Material App 20120319099 - IWAKUMA; Toshihiro ; et al.	2012-12-20
Material For Organic Electroluminescence Devices And Organic Electroluminescence Device Using The Material App 20120298975 - IWAKUMA; Toshihiro ; et al.	2012-11-29
Dibenzofluoranthene Compound And Organic Thin-film Solar Cell Using Same App 20120298203 - Ikeda; Hidetsugu ; et al.	2012-11-29
Organic electroluminescence device and anthracene derivative Grant 8,318,324 - Ikeda , et al. November 27, 2	2012-11-27
Heterocycle-containing Asymmetric Aromatic Compound, Compound For Organic Thin Film Transistor, And Organic Thin Film Transistor Using The Same App 20120273768 - Ikeda; Yoichi ; et al.	2012-11-01
Organic Electroluminescence Device And Anthracene Derivative App 20120235561 - IKEDA; Hidetsugu ; et al.	2012-09-20
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 20120153815 - Hosokawa; Chishio ; et al.	2012-06-21
Organic Electroluminescence Device App 20120001160 - Iwakuma; Toshihiro ; et al.	2012-01-05
Materical for organic electroluminescent devices and organic electroluminescent devices made by using the same App 20110309338 - Iwakuma; Toshihiro ; et al.	2011-12-22
Organic Thin Film Solar Cell App 20110259425 - Matsuura; Masahide ; et al.	2011-10-27
Organic electroluminescence device Grant 8,039,121 - Iwakuma , et al. October 18, 2	2011-10-18
Indenopyrene Compound, Organic Thin Film Solar Cell Material Using The Same, And Organic Thin Film Solar Cell App 20110240125 - Ikeda; Hidetsugu ; et al.	2011-10-06
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
Organic Electrolumescence Device App 20110175521 - Hosokawa; Chishio ; et al.	2011-07-21
Material for organic electroluminescent device and organic electroluminescent device using same Grant 7,939,183 - Iwakuma , et al. May 10, 2	2011-05-10
Novel aromatic compound and organic electroluminescent element containing the same App 20110049482 - Ikeda; Hidetsugu ; et al.	2011-03-03
Organic Electroluminescence Device And Anthracene Derivative App 20110034744 - IKEDA; Hidetsugu ; et al.	2011-02-10
Nitrogenous heterocyclic derivative and organic electroluminescent element employing the same Grant 7,867,629 - Yamamoto , et al. January 11, 2	2011-01-11
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 electroluminescence device and anthracene derivative Grant 7,839,074 - Ikeda , et al. November 23, 2	2010-11-23
Metal Complex Compound And Organic Electroluminescent Element Using The Same App 20100277062 - SAITOU; Masatoshi ; et al.	2010-11-04
Aromatic compound and organic electroluminescent element containing the same Grant 7,790,892 - Ikeda , et al. September 7, 2	2010-09-07
Metal complex compound and organic electroluminescent element using the same Grant 7,781,960 - Saitou , et al. August 24, 2	2010-08-24
Organic electroluminescence device App 20100201255 - Hosokawa; Chishio ; et al.	2010-08-12
Organic Electrolumescence Device App 20100160687 - HOSOKAWA; Chishio ; et al.	2010-06-24
Organic electroluminescence device Grant 7,709,102 - Hosokawa , et al. May 4, 2	2010-05-04
Material For Organic Electroluminescence Device And Electroluminescence Device Employing The Same App 20100084971 - NAKANO; Yuki ; et al.	2010-04-08
Material for organic electroluminescence device and electroluminescence device employing the same Grant 7,651,791 - Nakano , et al. January 26, 2	2010-01-26
Material For Organic Electroluminescence Element, And Organic Electroluminescence Element Using The Material App 20090224658 - Iwakuma; Toshihiro ; et al.	2009-09-10
Luminescent Metal Complex, Method For Producing Same And Organic Electroluminescent Light-emitting Device Using Same App 20090085469 - Okuda; Fumio ; et al.	2009-04-02
Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same App 20090009073 - Ikeda; Hidetsugu ; et al.	2009-01-08
Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same App 20090009074 - Ikeda; Hidetsugu ; et al.	2009-01-08
Oligoarylene derivatives and organic electroluminescent devices made by using the same Grant 7,429,425 - Ikeda , et al. September 30, 2	2008-09-30
Organic electroluminescence device App 20080193799 - Ikeda; Hidetsugu ; et al.	2008-08-14
Novel soluble compound and organic electroluminescent devices App 20080160344 - Hosokawa; Chishio ; et al.	2008-07-03
Ink For Forming Organic El Coating Film And Method For Production Thereof App 20080093986 - Inoue; Tetsuya ; et al.	2008-04-24
Orangic electroluminescence device Grant 7,361,796 - Ikeda , et al. April 22, 2	2008-04-22
Soluble compound and organic electroluminescent devices Grant 7,357,991 - Hosokawa , et al. April 15, 2	2008-04-15
Organic Electroluminescence Device App 20080074045 - Tagami; Sanae ; et al.	2008-03-27
Metal Complex Compound and Organic Electroluminescent Element Using the Same App 20080061684 - Saitou; Masatoshi ; et al.	2008-03-13
Luminescent Ink Composition for Organic Electroluminescent Device App 20080001123 - Inoue; Tetsuya ; et al.	2008-01-03
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 electroluminescent device, method for manufacturing same and organic solution App 20070159084 - Kondo; Hirofumi ; et al.	2007-07-12
Material for organic electroluminescence device and electroluminescence device employing the same App 20070141387 - Nakano; Yuki ; et al.	2007-06-21
Organic Electrolumescence Device App 20070142671 - Hosokawa; Chishio ; 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
Aromatic compound and organic electroluminescent device using same App 20070106103 - Ikeda; Hidetsugu ; et al.	2007-05-10
Organic electroluminescence device App 20070054151 - Iwakuma; Toshihiro ; et al.	2007-03-08
Organic electroluminescence device App 20070052346 - Iwakuma; Toshihiro ; et al.	2007-03-08
Compound having spiro bond, material for luminescent coating formation and organic electroluminescence element including the same App 20070042220 - Inoue; Tetsuya ; et al.	2007-02-22
Organic electroluminescent device App 20070013295 - Matsuura; Masahide ; et al.	2007-01-18
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 electroluminescence device App 20070003788 - Tagami; Sanae ; et al.	2007-01-04
Organic electrolumescence device App 20060189828 - Hosokawa; Chishio ; et al.	2006-08-24
Oligoarylene derivatives and organic electroluminescent devices made by using the same App 20060134456 - Ikeda; Hidetsugu ; et al.	2006-06-22
Substituted diphenylanthracene compounds for organic electroluminescence devices Grant 7,053,255 - Ikeda , et al. May 30, 2	2006-05-30
Organic electroluminescence device App 20060083947 - Ikeda; Hidetsugu ; et al.	2006-04-20
Organic electroluminescence device and anthracene derivative App 20060043858 - Ikeda; Hidetsugu ; et al.	2006-03-02
Organic electroluminescence device App 20060024523 - Tagami; Sanae ; et al.	2006-02-02
Material for organic electroluminescence devices and organic electroluminescence device using the material App 20050249976 - Iwakuma, Toshihiro ; et al.	2005-11-10
Organic electroluminescence device App 20050238921 - Hosokawa, Chishio ; et al.	2005-10-27
Organic electroluminescence device Grant 6,951,693 - Hosokawa , et al. October 4, 2	2005-10-04
Novel aromatic compound and organic electroluminescent element containing the same App 20050214565 - Ikeda, Hidetsugu ; et al.	2005-09-29
EL sheet with bent leg connectors Grant 6,946,789 - Ikeda September 20, 2	2005-09-20
Material for organic electroluminescent devices and organic electroluminescent devices made by using the same App 20050127823 - Iwakuma, Toshihiro ; et al.	2005-06-16
Organic electrolumescence device App 20050038296 - Hosokawa, Chishio ; et al.	2005-02-17
Novel soluble compound and organic electroluminescent devices App 20050014017 - Hosokawa, Chishio ; et al.	2005-01-20
Organic electroluminescence device Grant 6,818,327 - Tagami , et al. November 16, 2	2004-11-16
Organic electroluminescence device Grant 6,815,090 - Tagami , et al. November 9, 2	2004-11-09
Organic electroluminescence device App 20040214043 - Tagami, Sanae ; et al.	2004-10-28
Organic electroluminescence device App 20040214035 - Ikeda, Hidetsugu ; et al.	2004-10-28
Anthracene derivative and organic electroluminescence device using the derivative Grant 6,797,848 - Hosokawa , et al. September 28, 2	2004-09-28
Organic electroluminescent device Grant 6,743,948 - Hosokawa , et al. June 1, 2	2004-06-01
Anthracene derivative and organic electroluminescence device using the derivative App 20040100188 - Hosokawa, Chishio ; et al.	2004-05-27
Material for organic electroluminescence devices and organic electroluminescence device using the material App 20040086745 - Iwakuma, Toshihiro ; et al.	2004-05-06
EL sheet App 20030168967 - Ikeda, Hidetsugu	2003-09-11
Organic electrolumescence device App 20030072966 - Hosokawa, Chishio ; et al.	2003-04-17
Organic electroluminescence device App 20030054200 - Tagami, Sanae ; et al.	2003-03-20
Organic electroluminescence device and organic light emitting medium Grant 6,534,199 - Hosokawa , et al. March 18, 2	2003-03-18
Organic electroluminescence device Grant 6,489,046 - Ikeda , et al. December 3, 2	2002-12-03
Anthracene derivative and organic electroluminescence device using the derivative App 20020048687 - Hosokawa, Chishio ; et al.	2002-04-25
Fluorescence-reddening membrane and red-emitting device using same App 20010007412 - Eida, Mitsuru ; et al.	2001-07-12