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Kensuke OKAWA
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Osaka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrophotographic photosensitive member and image forming apparatus
Patent number
10,871,723
Issue date
Dec 22, 2020
Kyocera Document Solutions Inc.
Kensuke Okawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyarylate resin and electrophotographic photosensitive member
Patent number
10,761,439
Issue date
Sep 1, 2020
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyarylate resin and electrophotographic photosensitive member
Patent number
10,379,451
Issue date
Aug 13, 2019
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyarylate resin and electrophotographic photosensitive member
Patent number
10,273,331
Issue date
Apr 30, 2019
Kyocera Document Solutions Inc.
Jun Azuma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Electrophotographic photosensitive member
Patent number
10,031,431
Issue date
Jul 24, 2018
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Triarylamine derivative, electrophotographic photosensitive member,...
Patent number
9,964,869
Issue date
May 8, 2018
Kyocera Document Solutions Inc.
Kensuke Okawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multi-layer electrophotographic photosensitive member
Patent number
9,939,744
Issue date
Apr 10, 2018
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multi-layer electrophotographic photosensitive member, process cart...
Patent number
9,933,712
Issue date
Apr 3, 2018
Kyocera Document Solutions Inc.
Akihiko Ogata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multilayer electrophotographic photoconductor and image-forming app...
Patent number
9,625,839
Issue date
Apr 18, 2017
Kyocera Document Solutions Inc.
Makoto Shishido
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member
Patent number
9,575,423
Issue date
Feb 21, 2017
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member
Patent number
9,448,496
Issue date
Sep 20, 2016
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member and image forming apparatus
Patent number
9,436,104
Issue date
Sep 6, 2016
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Drum unit having side seals and image-forming apparatus including t...
Patent number
8,660,459
Issue date
Feb 25, 2014
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS
Publication number
20200026207
Publication date
Jan 23, 2020
KYOCERA DOCUMENT SOLUTIONS INC.
Kensuke OKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20180246424
Publication date
Aug 30, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20180148538
Publication date
May 31, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20180046099
Publication date
Feb 15, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20170307989
Publication date
Oct 26, 2017
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRIARYLAMINE DERIVATIVE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER,...
Publication number
20170131647
Publication date
May 11, 2017
KYOCERA DOCUMENT SOLUTIONS INC.
Kensuke OKAWA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MULTI-LAYER ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20170068178
Publication date
Mar 9, 2017
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MULTI-LAYER ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CART...
Publication number
20170060006
Publication date
Mar 2, 2017
KYOCERA DOCUMENT SOLUTIONS INC.
Akihiko OGATA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20150338754
Publication date
Nov 26, 2015
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20150261106
Publication date
Sep 17, 2015
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20150253682
Publication date
Sep 10, 2015
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS
Publication number
20140356773
Publication date
Dec 4, 2014
KYOCERA DOCUMENTS SOLUTIONS, INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MULTILAYER ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE- FORMING AP...
Publication number
20120164567
Publication date
Jun 28, 2012
KYOCERA MITA CORPORATION
Makoto Shishido
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DRUM UNIT AND IMAGE-FORMING APPARATUS INCLUDING THE SAME
Publication number
20100189482
Publication date
Jul 29, 2010
KYOCERA MITA CORPORATION
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY