Kurokawa; Atsushi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kurokawa; Atsushi.The latest application filed is for "semiconductor device".

Company Profile

27.85.98

Kurokawa; Atsushi - Nagaokakyo JP
KUROKAWA; Atsushi - Nagaokakyo-shi JP
KUROKAWA; Atsushi - Kyoto JP
KUROKAWA; Atsushi - Saitama-shi JP
Kurokawa; Atsushi - Kanagawa N/A JP
Kurokawa; Atsushi - Tokyo JP
Kurokawa; Atsushi - Kyoto-fu JP
Kurokawa; Atsushi - Atsugi N/A JP
Kurokawa; Atsushi - Takasaki JP
Kurokawa; Atsushi - Atsugi-shi JP
Kurokawa; Atsushi - Higashimurayama JP
Kurokawa, Atsushi - Yokohama-shi JP
Kurokawa; Atsushi - Saitama 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
Semiconductor device Grant 11,411,102 - Kurokawa August 9, 2	2022-08-09
Semiconductor device Grant 11,404,357 - Kurokawa , et al. August 2, 2	2022-08-02
Semiconductor device and method for manufacturing semiconductor device Grant 11,380,601 - Kurokawa , et al. July 5, 2	2022-07-05
Semiconductor Device App 20220181470 - SAJI; Mari ; et al.	2022-06-09
Bipolar Transistor And Method For Producing The Same App 20220130983 - UMEMOTO; Yasunari ; et al.	2022-04-28
Bipolar transistor and method for producing the same Grant 11,251,290 - Umemoto , et al. February 15, 2	2022-02-15
Bipolar transistor and method for producing the same Grant 11,227,941 - Umemoto , et al. January 18, 2	2022-01-18
Semiconductor Device App 20210391233 - SAJI; Mari ; et al.	2021-12-16
Semiconductor Device App 20210391429 - KUROKAWA; Atsushi ; et al.	2021-12-16
Semiconductor device Grant 11,158,592 - Shibata , et al. October 26, 2	2021-10-26
Power Amplifier Circuit And Semiconductor Device App 20210242842 - TOKUYA; Hiroaki ; et al.	2021-08-05
Semiconductor element Grant 11,081,573 - Kurokawa , et al. August 3, 2	2021-08-03
Bipolar Transistor And Method For Producing The Same App 20210234026 - UMEMOTO; Yasunari ; et al.	2021-07-29
Semiconductor device Grant 11,056,423 - Sano , et al. July 6, 2	2021-07-06
Semiconductor Device App 20210126116 - KUROKAWA; Atsushi	2021-04-29
Semiconductor apparatus Grant 10,985,123 - Kurokawa , et al. April 20, 2	2021-04-20
Semiconductor device Grant 10,950,548 - Sano , et al. March 16, 2	2021-03-16
Semiconductor Device And High-frequency Module App 20210035922 - TOKUYA; Hiroaki ; et al.	2021-02-04
Semiconductor device Grant 10,903,343 - Kurokawa January 26, 2	2021-01-26
Semiconductor device Grant 10,892,350 - Kurokawa , et al. January 12, 2	2021-01-12
Bipolar Transistor And Method For Producing The Same App 20200335611 - UMEMOTO; Yasunari ; et al.	2020-10-22
Release Sheet App 20200291271 - MIYAMOTO; Koji ; et al.	2020-09-17
Semiconductor device Grant 10,777,667 - Kurokawa , et al. Sept	2020-09-15
Bipolar transistor and method for producing the same Grant 10,741,680 - Umemoto , et al. A	2020-08-11
Semiconductor apparatus Grant 10,734,310 - Kurokawa , et al.	2020-08-04
Semiconductor Element App 20200243671 - KUROKAWA; Atsushi ; et al.	2020-07-30
Semiconductor Apparatus App 20200235026 - KUROKAWA; Atsushi ; et al.	2020-07-23
Semiconductor Device App 20200194394 - SHIBATA; Masahiro ; et al.	2020-06-18
Semiconductor Device App 20200168725 - KUROKAWA; Atsushi ; et al.	2020-05-28
Semiconductor Device App 20200168726 - KUROKAWA; Atsushi	2020-05-28
Semiconductor Apparatus App 20200161265 - KUROKAWA; Atsushi ; et al.	2020-05-21
Semiconductor Device App 20200161226 - KUROKAWA; Atsushi ; et al.	2020-05-21
Semiconductor Device And Method For Manufacturing Semiconductor Device App 20200152545 - KUROKAWA; Atsushi ; et al.	2020-05-14
Semiconductor device having a collector layer including first-conductivity-type semiconductor layers Grant 10,636,897 - Umemoto , et al.	2020-04-28
Bipolar Transistor And Method For Producing The Same App 20200119171 - UMEMOTO; Yasunari ; et al.	2020-04-16
Semiconductor apparatus Grant 10,580,748 - Kurokawa , et al.	2020-03-03
Semiconductor element Grant 10,566,303 - Kurokawa Feb	2020-02-18
Semiconductor chip Grant 10,559,547 - Shibata , et al. Feb	2020-02-11
Bipolar transistor and method for producing the same Grant 10,541,320 - Umemoto , et al. Ja	2020-01-21
Semiconductor Device App 20200006265 - KOBAYASHI; Kazuya ; et al.	2020-01-02
Semiconductor Device App 20190363042 - SANO; Yuichi ; et al.	2019-11-28
Semiconductor Device App 20190267479 - KUROKAWA; Atsushi ; et al.	2019-08-29
Bipolar Transistor And Method For Producing The Same App 20190237566 - UMEMOTO; Yasunari ; et al.	2019-08-01
Semiconductor Apparatus App 20190172773 - KUROKAWA; Atsushi ; et al.	2019-06-06
Semiconductor Element App 20190172806 - KUROKAWA; Atsushi	2019-06-06
Semiconductor Apparatus App 20190172807 - KUROKAWA; Atsushi ; et al.	2019-06-06
Bipolar transistor and method for producing the same Grant 10,297,680 - Umemoto , et al.	2019-05-21
Semiconductor Device App 20190067460 - UMEMOTO; Yasunari ; et al.	2019-02-28
Vertical biaxial developing device and image forming apparatus and process cartridge incorporating same Grant 10,209,645 - Tsuchiya , et al. Feb	2019-02-19
Semiconductor Chip App 20190006306 - SHIBATA; Masahiro ; et al.	2019-01-03
Developing device and image forming apparatus and process cartridge incorporating same Grant 10,168,642 - Ohhira , et al. J	2019-01-01
Semiconductor device and method of manufacturing the same Grant 10,163,749 - Aoike , et al. Dec	2018-12-25
Semiconductor device and method of manufacturing the same Grant 10,157,812 - Aoike , et al. Dec	2018-12-18
Semiconductor device Grant 10,147,809 - Umemoto , et al. De	2018-12-04
Developing device with casing having upper and lower compartments Grant 10,114,334 - Ohhira , et al. October 30, 2	2018-10-30
Bipolar Transistor And Method For Producing The Same App 20180248023 - UMEMOTO; Yasunari ; et al.	2018-08-30
Semiconductor Device App 20180247895 - SANO; Yuichi ; et al.	2018-08-30
Bipolar Transistor And Method For Producing The Same App 20180175181 - UMEMOTO; Yasunari ; et al.	2018-06-21
Bipolar transistor and method for producing the same Grant 10,002,950 - Umemoto , et al. June 19, 2	2018-06-19
Developing Device And Image Forming Apparatus And Process Cartridge Incorporating Same App 20180143568 - Ohhira; Tatsuya ; et al.	2018-05-24
Developing Device And Image Forming Apparatus And Process Cartridge Incorporating Same App 20180136586 - TSUCHIYA; Yuuki ; et al.	2018-05-17
Semiconductor Device And Method Of Manufacturing The Same App 20180108589 - Aoike; Masayuki ; et al.	2018-04-19
Semiconductor Device And Method Of Manufacturing The Same App 20180108588 - Aoike; Masayuki ; et al.	2018-04-19
Developing device and image forming apparatus and process cartridge incorporating same Grant 9,864,297 - Ohhira , et al. January 9, 2	2018-01-09
Laminate including antireflective moth-eye film and protection film Grant 9,862,167 - Taguchi , et al. January 9, 2	2018-01-09
Developing Device And Image Forming Apparatus And Process Cartridge Incorporating Same App 20170293257 - OHHIRA; Tatsuya ; et al.	2017-10-12
Developing Device And Image Forming Apparatus And Process Cartridge Incorporating Same App 20170090342 - OHHIRA; Tatsuya ; et al.	2017-03-30
Heterojunction bipolar transistor with two base layers Grant 9,397,204 - Obu , et al. July 19, 2	2016-07-19
Semiconductor integrated circuit device with transistor and non-transistor regions Grant 9,362,268 - Kurokawa , et al. June 7, 2	2016-06-07
Semiconductor Device App 20160133732 - UMEMOTO; Yasunari ; et al.	2016-05-12
Bipolar transistor Grant 9,331,187 - Umemoto , et al. May 3, 2	2016-05-03
Heterojunction Bipolar Transistor App 20160005841 - OBU; Isao ; et al.	2016-01-07
Bipolar Transistor App 20150349100 - UMEMOTO; Yasunari ; et al.	2015-12-03
Heterojunction bipolar transistor, power amplifier including the same, and method for fabricating heterojunction bipolar transistor Grant 9,130,004 - Obu , et al. September 8, 2	2015-09-08
Development device and image forming apparatus and process unit incorporating same Grant 9,008,556 - Ishikura , et al. April 14, 2	2015-04-14
Image forming apparatus Grant 8,948,638 - Ishikura , et al. February 3, 2	2015-02-03
Development device, and image forming apparatus and process cartridge incorporating same Grant 8,929,782 - Endou , et al. January 6, 2	2015-01-06
Developing device, image forming apparatus, and image forming method Grant 8,897,681 - Hirota , et al. November 25, 2	2014-11-25
Laminate App 20140342121 - Taguchi; Tokio ; et al.	2014-11-20
Development device, process cartridge incorporating same, and image forming apparatus incorporating same Grant 8,824,935 - Seki , et al. September 2, 2	2014-09-02
Heterojunction Bipolar Transistor, Power Amplifier Including The Same, And Method For Fabricating Heterojunction Bipolar Transistor App 20140167115 - OBU; Isao ; et al.	2014-06-19
Development device, process cartridge incorporating same, and image forming apparatus incorporating same Grant 8,594,540 - Hirota , et al. November 26, 2	2013-11-26
Development device, process cartridge incorporating same, and image forming apparatus incorporating same Grant 8,588,635 - Ogawa , et al. November 19, 2	2013-11-19
Powder Conveyance Device And Image Forming Apparatus Including Same App 20130266345 - MATSUMOTO; Junichi ; et al.	2013-10-10
Development Device And Image Forming Apparatus And Process Unit Incorporating Same App 20130243499 - Ishikura; Yuuji ; et al.	2013-09-19
Development Device And Image Forming Apparatus Incorporating Same App 20130216250 - SEKI; Hideyasu ; et al.	2013-08-22
Development Device, And Image Forming Apparatus And Process Cartridge Incorporating Same App 20130216277 - ENDOU; Osamu ; et al.	2013-08-22
Electrophotographic image forming method and apparatus with a cover film supplying device Grant 8,483,598 - Enoki , et al. July 9, 2	2013-07-09
Developing device, process cartridge, and image forming apparatus Grant 8,433,211 - Horike , et al. April 30, 2	2013-04-30
Development Device And Image Forming Apparatus Incorporating Same App 20130071148 - ISHIKURA; Yuuji ; et al.	2013-03-21
Developer bearing member and developing device with outer electrode including separated portions, and inner electrode for creating electric field Grant 8,374,531 - Nakagawa , et al. February 12, 2	2013-02-12
Semiconductor Integrated Circuit Device App 20130026541 - KUROKAWA; Atsushi ; et al.	2013-01-31
Semiconductor device Grant 8,169,008 - Yamane , et al. May 1, 2	2012-05-01
Developing Device, Image Forming Apparatus, And Image Forming Method App 20120063797 - HIROTA; Tetsuro ; et al.	2012-03-15
Development Device, Process Cartridge Incorporating Same, And Image Forming Apparatus Incorporating Same App 20120063815 - SEKI; Hideyasu ; et al.	2012-03-15
Image Forming Apparatus App 20120057891 - ISHIKURA; Yuji ; et al.	2012-03-08
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same Grant 8,072,001 - Ohbu , et al. December 6, 2	2011-12-06
Development Device, Process Cartridge Incorporating Same, And Image Forming Apparatus Incorporating Same App 20110182626 - HIROTA; Tetsuro ; et al.	2011-07-28
Development Device, Process Cartridge Incorporating Same, And Image Forming Apparatus Incorporating Same App 20110164892 - OGAWA; Yoshiko ; et al.	2011-07-07
Developing Device, Process Cartridge, And Image Forming Apparatus App 20110064432 - Horike; Masanori ; et al.	2011-03-17
Semiconductor Device App 20110031533 - Yamane; Masao ; et al.	2011-02-10
Heterojunction Bipolar Transistor And Method For Manufacturing The Same, And Power Amplifier Using The Same App 20100327980 - OHBU; Isao ; et al.	2010-12-30
Semiconductor device Grant 7,838,914 - Yamane , et al. November 23, 2	2010-11-23
Electrophotographic Image Forming Method And Apparatus App 20100278558 - ENOKI; Shigekazu ; et al.	2010-11-04
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same Grant 7,804,109 - Ohbu , et al. September 28, 2	2010-09-28
Developer Bearing Member & Developing Device With Plural Layers Of Electrodes Creating Electric Field App 20100150615 - NAKAGAWA; Yoshinori ; et al.	2010-06-17
Semiconductor device and manufacturing method of the same Grant 7,723,753 - Sasaki , et al. May 25, 2	2010-05-25
Semiconductor Device And Manufacturing Method Therefor App 20090194792 - Konishi; Satoru ; et al.	2009-08-06
Semiconductor Device And Integrated Semiconductor Circuit Device App 20090085162 - Kurokawa; Atsushi ; et al.	2009-04-02
Semiconductor device and manufacturing method therefor Grant 7,511,315 - Konishi , et al. March 31, 2	2009-03-31
Semiconductor Device And Manufacturing Method Of The Same App 20080224174 - SASAKI; Kenji ; et al.	2008-09-18
Method for forming patterns on a semiconductor device using a lift off technique Grant 7,378,690 - Kurokawa , et al. May 27, 2	2008-05-27
Semiconductor device App 20080073671 - Yamane; Masao ; et al.	2008-03-27
Semiconductor device Grant 7,307,298 - Yamane , et al. December 11, 2	2007-12-11
Bipolar Transistor And A Method Of Manufacturing The Same App 20070257332 - KUROKAWA; Atsushi ; et al.	2007-11-08
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same Grant 7,256,434 - Ohbu , et al. August 14, 2	2007-08-14
Bipolar transistor and a method of manufacturing the same Grant 7,256,433 - Kurokawa , et al. August 14, 2	2007-08-14
Method for forming patterns on a semiconductor device using a lift off technique App 20070176207 - Kurokawa; Atsushi ; et al.	2007-08-02
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same App 20070164316 - Ohbu; Isao ; et al.	2007-07-19
Semiconductor device and manufacturing method of the same App 20070134820 - Kurokawa; Atsushi	2007-06-14
Method for forming patterns on a semiconductor device using a lift off technique Grant 7,214,558 - Kurokawa , et al. May 8, 2	2007-05-08
Semiconductor device and manufacturing method of the same Grant 7,192,788 - Kurokawa March 20, 2	2007-03-20
Method for Manufacturing Semiconductor Device App 20070059853 - KUROKAWA; Atsushi ; et al.	2007-03-15
Method for manufacturing semiconductor device Grant 7,132,320 - Kurokawa , et al. November 7, 2	2006-11-07
Semiconductor device and manufacturing the same App 20060157825 - Umemoto; Yasunari ; et al.	2006-07-20
Semiconductor device, manufacturing method of the same and electronic device App 20060138459 - Kurokawa; Atsushi ; et al.	2006-06-29
Semiconductor device, manufacturing method of the same, and electronic device App 20060108665 - Kurokawa; Atsushi ; et al.	2006-05-25
Semiconductor protection device Grant 7,045,877 - Umemoto , et al. May 16, 2	2006-05-16
Method for forming patterns on a semiconductor device using a lift off technique Grant 7,029,938 - Kurokawa , et al. April 18, 2	2006-04-18
Method for manufacturing semiconductor device App 20060057789 - Kurokawa; Atsushi ; et al.	2006-03-16
Method for forming patterns on a semiconductor device using a lift off technique App 20060032762 - Kurokawa; Atsushi ; et al.	2006-02-16
Method for manufacturing semiconductor device Grant 6,989,301 - Kurokawa , et al. January 24, 2	2006-01-24
Semiconductor device and manufacturing method therefor App 20050258452 - Konishi, Satoru ; et al.	2005-11-24
Semiconductor device, manufacturing thereof and power amplifier module Grant 6,943,387 - Ohbu , et al. September 13, 2	2005-09-13
Heterojunction bipolar transistor and method for manufacturing the same, and power amplifier using the same App 20050156194 - Ohbu, Isao ; et al.	2005-07-21
Semiconductor device and manufacturing method of the same App 20050127393 - Kurokawa, Atsushi	2005-06-16
Semiconductor device App 20050116253 - Yamane, Masao ; et al.	2005-06-02
Method for manufacturing semiconductor device Grant 6,867,079 - Kurokawa , et al. March 15, 2	2005-03-15
Power amplifier system and mobile communication terminal device Grant 6,861,905 - Kurokawa , et al. March 1, 2	2005-03-01
Bipolar transistor and a method of manufacturing the same App 20040212044 - Kurokawa, Atsushi ; et al.	2004-10-28
Semiconductor device and a method of manufacturing the same App 20040188707 - Kurokawa, Atsushi ; et al.	2004-09-30
Power amplifier system and mobile communication terminal device App 20040155711 - Kurokawa, Atsushi ; et al.	2004-08-12
Semiconductor device and method for fabricating the same Grant 6,743,691 - Kurokawa , et al. June 1, 2	2004-06-01
Calculating method for inductance in a semiconductor integrated circuit App 20040075436 - Kurokawa, Atsushi ; et al.	2004-04-22
Semiconductor device and manufacturing the same App 20040065900 - Umemoto, Yasunari ; et al.	2004-04-08
Method for manufacturing semiconductor device App 20040063292 - Kurokawa, Atsushi ; et al.	2004-04-01
Method for manufacturing semiconductor device App 20040063259 - Kurokawa, Atsushi ; et al.	2004-04-01
Power amplification system and mobile radio communication terminal Grant 6,708,022 - Kurokawa , et al. March 16, 2	2004-03-16
Power amplifier system and mobile communication terminal device Grant 6,678,507 - Kurokawa , et al. January 13, 2	2004-01-13
Semiconductor device, manufacturing thereof and power amplifier module App 20030218185 - Ohbu, Isao ; et al.	2003-11-27
Method for manufacturing semiconductor device with hetero junction bipolar transistor Grant 6,649,458 - Kurokawa , et al. November 18, 2	2003-11-18
Hetero-junction bipolar transistor having a dummy electrode Grant 6,639,257 - Kurokawa , et al. October 28, 2	2003-10-28
Method For Manufacturing Semiconductor Device With Hetero Junction Bipolar Transistor App 20030157775 - Kurokawa, Atsushi ; et al.	2003-08-21
Semiconductor device and method for fabricating the same Grant 6,573,540 - Kurokawa , et al. June 3, 2	2003-06-03
Semiconductor device and method for fabricating the same App 20020117684 - Kurokawa, Atsushi ; et al.	2002-08-29
Semiconductor device and method for fabricating the same App 20020058375 - Kurokawa, Atsushi ; et al.	2002-05-16
Semiconductor device and method for fabricating the same App 20020055221 - Kurokawa, Atsushi ; et al.	2002-05-09
Damper filled with oil Grant 5,145,039 - Morikawa , et al. September 8, 1	1992-09-08