AZUMA; Jun

Patent Applications and Registrations

Patent applications and USPTO patent grants for AZUMA; Jun.The latest application filed is for "polyarylate resin and electrophotographic photosensitive member".

Company Profile

14.53.58

AZUMA; Jun - Osaka-shi JP
Azuma; Jun - Osaka JP
Azuma; Jun - Kawasaki JP
Azuma; Jun - Kashiwa JP
Azuma; Jun - Yokohama JP
Azuma; Jun - Tokyo 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
Polyarylate Resin And Electrophotographic Photosensitive Member App 20220308472 - AZUMA; Jun ; et al.	2022-09-29
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20220100111 - IWASHITA; Yuko ; et al.	2022-03-31
Terphenyl compound, electrophotographic photosensitive member, and method for producing terphenyl compound Grant 11,067,909 - Azuma , et al. July 20, 2	2021-07-20
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 10,996,575 - Shimizu , et al. May 4, 2	2021-05-04
Electrophotographic photosensitive member and image forming apparatus Grant 10,871,723 - Okawa , et al. December 22, 2	2020-12-22
Bis-butadiene derivative and electrophotographic photosensitive member Grant 10,795,273 - Azuma , et al. October 6, 2	2020-10-06
Polyarylate resin and electrophotographic photosensitive member Grant 10,761,439 - Azuma , et al. Sep	2020-09-01
Production method for electrophotographic photosensitive member Grant 10,761,441 - Azuma , et al. Sep	2020-09-01
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 10,761,440 - Tsurumi , et al. Sep	2020-09-01
Naphthalenedicarboxylic acid dichloride production method Grant 10,730,819 - Azuma	2020-08-04
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 10,732,526 - Shimizu , et al.	2020-08-04
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20200233324 - SHIMIZU; Tomofumi ; et al.	2020-07-23
Terphenyl Compound, Electrophotographic Photosensitive Member, And Method For Producing Terphenyl Compound App 20200231535 - AZUMA; Jun ; et al.	2020-07-23
Electrophotographic Photosensitive Member App 20200233321 - SUGIMOTO; Kazutaka ; et al.	2020-07-23
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 10,649,351 - Shimizu , et al.	2020-05-12
Compound Mixture, Electrophotographic Photosensitive Member And Production Method For Compound Mixture App 20200117106 - AZUMA; Jun ; et al.	2020-04-16
Naphthalenedicarboxylic Acid Dichloride Production Method App 20200115313 - AZUMA; Jun	2020-04-16
Electrophotographic Photosensitive Member And Image Forming Apparatus App 20200026207 - OKAWA; Kensuke ; et al.	2020-01-23
Bis-butadiene Derivative And Electrophotographic Photosensitive Member App 20190384190 - AZUMA; Jun ; et al.	2019-12-19
Polyarylate resin and electrophotographic photosensitive member Grant 10,509,309 - Azuma Dec	2019-12-17
Electrographic Photoreceptor Manufacturing Method App 20190354028 - SHIMIZU; Tomofumi ; et al.	2019-11-21
Production Method For Electrophotographic Photosensitive Member App 20190354029 - AZUMA; Jun ; et al.	2019-11-21
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20190354027 - SHIMIZU; Tomofumi ; et al.	2019-11-21
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20190332023 - SHIMIZU; Tomofumi ; et al.	2019-10-31
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20190310562 - TSURUMI; Hiroki ; et al.	2019-10-10
Polyarylate Resin And Electrophotographic Photosensitive Member App 20190270846 - AZUMA; Jun ; et al.	2019-09-05
Polyarylate resin and electrophotographic photosensitive member Grant 10,379,451 - Azuma , et al. A	2019-08-13
Electrophotographic photosensitive member Grant 10,372,048 - Azuma , et al.	2019-08-06
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 10,359,713 - Shimizu , et al.	2019-07-23
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 10,295,918 - Shimizu , et al.	2019-05-21
Polyarylate resin and electrophotographic photosensitive member Grant 10,273,331 - Azuma , et al.	2019-04-30
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 10,191,397 - Maruo , et al. Ja	2019-01-29
Electrophotographic Photosensitive Member App 20190025720 - AZUMA; Jun ; et al.	2019-01-24
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20180299797 - SHIMIZU; Tomofumi ; et al.	2018-10-18
Polyarylate Resin And Electrophotographic Photosensitive Member App 20180246402 - AZUMA; Jun	2018-08-30
Polyarylate Resin And Electrophotographic Photosensitive Member App 20180246424 - AZUMA; Jun ; et al.	2018-08-30
Electrophotographic photosensitive member Grant 10,031,431 - Azuma , et al. July 24, 2	2018-07-24
Polyarylate Resin And Electrophotographic Photosensitive Member App 20180148538 - AZUMA; Jun ; et al.	2018-05-31
Triarylamine derivative, electrophotographic photosensitive member, and method for producing electrophotographic photosensitive member Grant 9,964,869 - Okawa , et al. May 8, 2	2018-05-08
Multi-layer electrophotographic photosensitive member Grant 9,939,744 - Azuma , et al. April 10, 2	2018-04-10
Multi-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 9,933,712 - Ogata , et al. April 3, 2	2018-04-03
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20180046101 - SHIMIZU; Tomofumi ; et al.	2018-02-15
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20180046100 - MARUO; Keiji ; et al.	2018-02-15
Polyarylate Resin And Electrophotographic Photosensitive Member App 20180046099 - AZUMA; Jun ; et al.	2018-02-15
Electrophotographic photosensitive member, process cartridge, and image forming apparatus Grant 9,829,811 - Azuma , et al. November 28, 2	2017-11-28
Electrophotographic Photosensitive Member App 20170307989 - AZUMA; Jun ; et al.	2017-10-26
Triarylamine Derivative, Electrophotographic Photosensitive Member, And Method For Producing Electrophotographic Photosensitive Member App 20170131647 - OKAWA; Kensuke ; et al.	2017-05-11
Multi-layer Electrophotographic Photosensitive Member App 20170068178 - AZUMA; Jun ; et al.	2017-03-09
Multi-layer Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20170060006 - OGATA; Akihiko ; et al.	2017-03-02
Electrophotographic photosensitive member Grant 9,575,423 - Azuma , et al. February 21, 2	2017-02-21
Electrophotographic Photosensitive Member, Process Cartridge, And Image Forming Apparatus App 20170003608 - AZUMA; Jun ; et al.	2017-01-05
Electrophotographic photosensitive member Grant 9,448,496 - Azuma , et al. September 20, 2	2016-09-20
Electrophotographic photosensitive member and image forming apparatus Grant 9,436,104 - Azuma , et al. September 6, 2	2016-09-06
Electrophotographic photosensitive member Grant 9,429,859 - Azuma , et al. August 30, 2	2016-08-30
Electrophotographic Photosensitive Member App 20150338754 - AZUMA; Jun ; et al.	2015-11-26
Electrophotographic Photosensitive Member App 20150261106 - AZUMA; Jun ; et al.	2015-09-17
Electrophotographic Photosensitive Member App 20150253682 - AZUMA; Jun ; et al.	2015-09-10
Multi-layer Electrophotographic Photosensitive Member App 20150118608 - AZUMA; Jun ; et al.	2015-04-30
Electrophotographic Photosensitive Member App 20150093696 - AZUMA; Jun ; et al.	2015-04-02
Electrophotographic Photosensitive Member And Image Forming Apparatus App 20140356773 - AZUMA; Jun ; et al.	2014-12-04
Multi-layered Electrophotographic Photosensite Member, Image Forming Apparatus, And Method For Producing Multi-layered Electrophotographic Photosensitive Member App 20140212802 - OTSUBO; Junichiro ; et al.	2014-07-31
Multilayer type electrophotographic photoconductor and image forming apparatus Grant 8,765,337 - Maruo , et al. July 1, 2	2014-07-01
Oxo-titanylphthalocyanine crystal, method for producing the same and electrophotographic photoreceptor Grant 8,686,133 - Kuboshima , et al. April 1, 2	2014-04-01
Drum unit having side seals and image-forming apparatus including the same Grant 8,660,459 - Azuma , et al. February 25, 2	2014-02-25
Oxo-Titanylphthalocyanine Crystal, Method for Producing the Same and Electrophotographic Photoreceptor App 20120296082 - KUBOSHIMA; Daisuke ; et al.	2012-11-22
Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptor Grant 8,242,261 - Kuboshima , et al. August 14, 2	2012-08-14
Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptor App 20110046392 - Kuboshima; Daisuke ; et al.	2011-02-24
Titanyl phthalocyanin crystal, method for preparing the same and electrophotographic photoconductor Grant 7,855,286 - Otsubo , et al. December 21, 2	2010-12-21
Drum Unit And Image-forming Apparatus Including The Same App 20100189482 - Azuma; Jun ; et al.	2010-07-29
Image forming apparatus Grant 7,693,454 - Azuma , et al. April 6, 2	2010-04-06
Titanyl phthalocyanin crystal, method for preparing the same and electrophotographic photoconductor App 20100081073 - Otsubo; Junichiro ; et al.	2010-04-01
Wet-developing electrophotographic photoconductor and wet-developing image Grant 7,468,230 - Azuma , et al. December 23, 2	2008-12-23
Electrophotographic photoconductor Grant 7,399,564 - Azuma , et al. July 15, 2	2008-07-15
Electrophotographic photoconductor and image forming apparatus App 20080050666 - Otsubo; Junichiro ; et al.	2008-02-28
Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptor App 20080026310 - Kuboshima; Daisuke ; et al.	2008-01-31
Multilayer type electrophotographic photoconductor and image forming apparatus App 20070281227 - Maruo; Keiji ; et al.	2007-12-06
Image forming apparatus App 20070217821 - Azuma; Jun ; et al.	2007-09-20
Titanyl phthalocyanin crystal, method for preparing the same and electrophotographic photoconductor App 20070111123 - Otsubo; Junichiro ; et al.	2007-05-17
Electrophotographic photoconductor and manufacturing method of electrophotographic photoconductor App 20070077507 - Otsubo; Junichiro ; et al.	2007-04-05
Electrophotographic photoconductor App 20070054209 - Azuma; Jun ; et al.	2007-03-08
Electrophotosensitive material Grant 7,101,647 - Azuma , et al. September 5, 2	2006-09-05
Electrophotosensitive material Grant 7,090,952 - Azuma , et al. August 15, 2	2006-08-15
Wet-developing electrophotographic photoconductor and wet-developing image App 20060166117 - Azuma; Jun ; et al.	2006-07-27
Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material Grant 7,057,034 - Hamasaki , et al. June 6, 2	2006-06-06
Electrophotographic photoreceptor Grant 7,029,811 - Azuma , et al. April 18, 2	2006-04-18
Electrophotographic photoconductor for wet developing and image-forming apparatus for wet developing App 20060024596 - Azuma; Jun ; et al.	2006-02-02
Image forming apparatus Grant 6,879,794 - Azuma , et al. April 12, 2	2005-04-12
Electrophotographic photoreceptor and image forming device Grant 6,858,368 - Azuma , et al. February 22, 2	2005-02-22
Electrophotographic Photoreceptor And Image Forming Device App 20040185357 - Azuma, Jun ; et al.	2004-09-23
Electrophotographic Photoreceptor App 20040126140 - Azuma, Jun ; et al.	2004-07-01
Electrophotosensitive material App 20040101771 - Azuma, Jun ; et al.	2004-05-27
Electrophotosensitive material App 20040058257 - Azuma, Jun ; et al.	2004-03-25
Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material App 20040049027 - Hamasaki, Kazunari ; et al.	2004-03-11
Single-layer type electrophotosensitive material Grant 6,593,047 - Azuma , et al. July 15, 2	2003-07-15
Image forming apparatus App 20020159804 - Azuma, Jun ; et al.	2002-10-31
Single-layer type electrophotosensitive material App 20020119385 - Azuma, Jun ; et al.	2002-08-29
Single-layer type electrophotosensitive material App 20020098428 - Watanabe, Yukimasa ; et al.	2002-07-25
Single-layer type electrophotosensitive material App 20020045119 - Azuma, Jun ; et al.	2002-04-18
Electrophotosensitive material and method of producing the same App 20010038960 - Azuma, Jun ; et al.	2001-11-08
Frame structure and an image forming apparatus using such a frame structure Grant 6,084,622 - Sugiura , et al. July 4, 2	2000-07-04
Process cartridge with axially shiftable drive coupling Grant 6,035,159 - Azuma , et al. March 7, 2	2000-03-07
Guide means and electrophotographic image forming apparatus Grant 5,708,922 - Azuma , et al. January 13, 1	1998-01-13
Gear unit, image forming apparatus and gear unit mounting method Grant 5,634,178 - Sugiura , et al. May 27, 1	1997-05-27
Image forming apparatus Grant 5,621,451 - Sugiura , et al. April 15, 1	1997-04-15
Image forming apparatus with helical gear drive train Grant 5,559,581 - Sugiura , et al. September 24, 1	1996-09-24
Optical beam scanner with circuit board mounted elements Grant 5,479,201 - Sugiura , et al. December 26, 1	1995-12-26
Optical scanning device Grant 4,977,412 - Komori , et al. December 11, 1	1990-12-11
Laser optical apparatus Grant 4,907,017 - Azuma March 6, 1	1990-03-06

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