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Toshihiro ISHIDA
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Photoconductor, image forming apparatus, and process cartridge
Patent number
10,209,639
Issue date
Feb 19, 2019
Ricoh Company, Ltd.
Tomoharu Asano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
Patent number
10,191,398
Issue date
Jan 29, 2019
Ricoh Company, Ltd.
Toshihiro Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor, image forming apparatus, and process cartridge
Patent number
10,114,302
Issue date
Oct 30, 2018
Ricoh Company, Ltd.
Ryohta Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor, image forming apparatus, and process cartridge
Patent number
9,846,377
Issue date
Dec 19, 2017
Ricoh Company, Ltd.
Tomoharu Asano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor, image forming apparatus, and process cartridge
Patent number
9,766,562
Issue date
Sep 19, 2017
Ricoh Company, Ltd.
Toshihiro Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductor, electrophotographic method, electrophotographic app...
Patent number
9,753,384
Issue date
Sep 5, 2017
Ricoh Company, Ltd.
Eiji Kurimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
Patent number
9,678,446
Issue date
Jun 13, 2017
Ricoh Company, Ltd.
Toshihiro Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
Patent number
9,671,706
Issue date
Jun 6, 2017
Ricoh Company, Ltd.
Daisuke Nii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, image forming apparatus, and pro...
Patent number
9,599,916
Issue date
Mar 21, 2017
Ricoh Company, Ltd.
Tomoharu Asano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
Patent number
9,298,113
Issue date
Mar 29, 2016
Ricoh Company, Ltd.
Toshihiro Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor, and image forming method, image...
Patent number
9,291,924
Issue date
Mar 22, 2016
Ricoh Company, Ltd.
Eiji Kurimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoreceptor, image forming apparatus and proc...
Patent number
9,122,183
Issue date
Sep 1, 2015
Ricoh Company, Ltd.
Tetsuya Toshine
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and process cartridge
Patent number
8,867,960
Issue date
Oct 21, 2014
Ricoh Company, Ltd.
Naohiro Toda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20170343908
Publication date
Nov 30, 2017
Ryohta TAKAHASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...
Publication number
20170343910
Publication date
Nov 30, 2017
Toshihiro ISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20170307988
Publication date
Oct 26, 2017
Tomoharu ASANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20170153559
Publication date
Jun 1, 2017
Tomoharu ASANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20160334720
Publication date
Nov 17, 2016
Toshihiro ISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC METHOD, ELECTROPHOTOGRAPHIC APP...
Publication number
20160327877
Publication date
Nov 10, 2016
Eiji KURIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS, AND PRO...
Publication number
20160161871
Publication date
Jun 9, 2016
Tomoharu ASANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...
Publication number
20160139517
Publication date
May 19, 2016
Toshihiro ISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...
Publication number
20150309430
Publication date
Oct 29, 2015
Daisuke NII
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING METHOD, IMAGE...
Publication number
20150168856
Publication date
Jun 18, 2015
Eiji KURIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...
Publication number
20140199620
Publication date
Jul 17, 2014
Toshihiro Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20140064810
Publication date
Mar 6, 2014
Takafumi Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROC...
Publication number
20130244150
Publication date
Sep 19, 2013
Tetsuya Toshine
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20130243484
Publication date
Sep 19, 2013
RICOH COMPANY, LTD.
Naohiro Toda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY