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Jun AZUMA
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Osaka-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Terphenyl compound, electrophotographic photosensitive member, and...
Patent number
11,067,909
Issue date
Jul 20, 2021
Kyocera Document Solutions Inc.
Jun Azuma
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
10,996,575
Issue date
May 4, 2021
Kyocera Document Solutions Inc.
Tomofumi Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Bis-butadiene derivative and electrophotographic photosensitive member
Patent number
10,795,273
Issue date
Oct 6, 2020
Kyocera Document Solutions Inc.
Jun Azuma
C07 - ORGANIC CHEMISTRY
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
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
10,761,440
Issue date
Sep 1, 2020
Kyocera Document Solutions Inc.
Hiroki Tsurumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Production method for electrophotographic photosensitive member
Patent number
10,761,441
Issue date
Sep 1, 2020
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
10,732,526
Issue date
Aug 4, 2020
Kyocera Document Solutions Inc.
Tomofumi Shimizu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Naphthalenedicarboxylic acid dichloride production method
Patent number
10,730,819
Issue date
Aug 4, 2020
Kyocera Document Solutions Inc.
Jun Azuma
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
10,649,351
Issue date
May 12, 2020
Kyocera Document Solutions Inc.
Tomofumi Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyarylate resin and electrophotographic photosensitive member
Patent number
10,509,309
Issue date
Dec 17, 2019
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
Electrophotographic photosensitive member
Patent number
10,372,048
Issue date
Aug 6, 2019
Kyocera Document Solutions Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
10,359,713
Issue date
Jul 23, 2019
Kyocera Document Solutions Inc.
Tomofumi Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
10,295,918
Issue date
May 21, 2019
Kyocera Document Solutions Inc.
Tomofumi Shimizu
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, process cartridge, and i...
Patent number
10,191,397
Issue date
Jan 29, 2019
Kyocera Document Solutions Inc.
Keiji Maruo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
9,829,811
Issue date
Nov 28, 2017
Kyocera Document Solutions Inc.
Jun Azuma
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
Electrophotographic photosensitive member
Patent number
9,429,859
Issue date
Aug 30, 2016
KYOCERA Document Solutions, Inc.
Jun Azuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multilayer electrophotographic photoconductor and image-forming app...
Patent number
8,877,411
Issue date
Nov 4, 2014
Kyocera Document Solutions Inc.
Azuma Jun
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multilayer type electrophotographic photoconductor and image formin...
Patent number
8,765,337
Issue date
Jul 1, 2014
Kyocera Mita Corporation
Keiji Maruo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Oxo-titanylphthalocyanine crystal, method for producing the same an...
Patent number
8,686,133
Issue date
Apr 1, 2014
Kyocera Document Solutions Inc.
Daisuke Kuboshima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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, PROCESS CARTRIDGE, AND I...
Publication number
20240353771
Publication date
Oct 24, 2024
KYOCERA DOCUMENT SOLUTIONS INC.
Yuko IWASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20240353792
Publication date
Oct 24, 2024
KYOCERA DOCUMENT SOLUTIONS INC.
Yuko IWASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20240353772
Publication date
Oct 24, 2024
KYOCERA DOCUMENT SOLUTIONS INC.
Yuko IWASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
HOLE TRANSPORT MATERIAL, AND PHOTOELECTRIC CONVERSION ELEMENT AND O...
Publication number
20240334816
Publication date
Oct 3, 2024
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
Information
Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20240117109
Publication date
Apr 11, 2024
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20240103389
Publication date
Mar 28, 2024
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
20220342326
Publication date
Oct 27, 2022
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
20220308472
Publication date
Sep 29, 2022
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20220100111
Publication date
Mar 31, 2022
KYOCERA DOCUMENT SOLUTIONS INC.
Yuko IWASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20200233321
Publication date
Jul 23, 2020
KYOCERA DOCUMENT SOLUTIONS INC.
Kazutaka SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20200233324
Publication date
Jul 23, 2020
KYOCERA DOCUMENT SOLUTIONS INC.
Tomofumi SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TERPHENYL COMPOUND, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND...
Publication number
20200231535
Publication date
Jul 23, 2020
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COMPOUND MIXTURE, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND PRO...
Publication number
20200117106
Publication date
Apr 16, 2020
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
NAPHTHALENEDICARBOXYLIC ACID DICHLORIDE PRODUCTION METHOD
Publication number
20200115313
Publication date
Apr 16, 2020
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C07 - ORGANIC CHEMISTRY
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
BIS-BUTADIENE DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20190384190
Publication date
Dec 19, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ELECTROGRAPHIC PHOTORECEPTOR MANUFACTURING METHOD
Publication number
20190354028
Publication date
Nov 21, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Tomofumi SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20190354027
Publication date
Nov 21, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Tomofumi SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PRODUCTION METHOD FOR ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20190354029
Publication date
Nov 21, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20190332023
Publication date
Oct 31, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Tomofumi SHIMIZU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20190310562
Publication date
Oct 10, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Hiroki TSURUMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POLYARYLATE RESIN AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20190270846
Publication date
Sep 5, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20190025720
Publication date
Jan 24, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20180299797
Publication date
Oct 18, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Tomofumi SHIMIZU
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
20180246402
Publication date
Aug 30, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Jun AZUMA
C07 - ORGANIC CHEMISTRY
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, PROCESS CARTRIDGE, AND I...
Publication number
20180046100
Publication date
Feb 15, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Keiji MARUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND I...
Publication number
20180046101
Publication date
Feb 15, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Tomofumi SHIMIZU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY