Hirofumi Kumoi

Person

Suntou-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
- Patent number 9,921,499
- Issue date Mar 20, 2018
- Canon Kabushiki Kaisha
- Kaname Watariguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, method for manufacturing...
- Patent number 9,864,284
- Issue date Jan 9, 2018
- Canon Kabushiki Kaisha
- Masataka Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 9,778,581
- Issue date Oct 3, 2017
- Canon Kabushiki Kaisha
- Yota Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, method for manufacturing...
- Patent number 9,753,385
- Issue date Sep 5, 2017
- Canon Kabushiki Kaisha
- Yota Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 9,665,020
- Issue date May 30, 2017
- Canon Kabushiki Kaisha
- Daisuke Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus having charge transport...
- Patent number 9,274,442
- Issue date Mar 1, 2016
- Canon Kabushiki Kaisha
- Taichi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 9,229,342
- Issue date Jan 5, 2016
- Canon Kabushiki Kaisha
- Takashi Anezaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
- Patent number 9,164,406
- Issue date Oct 20, 2015
- Canon Kabushiki Kaisha
- Masashi Nishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
- Patent number 7,732,113
- Issue date Jun 8, 2010
- Canon Kabushiki Kaisha
- Kazushige Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE,ELECTR...
- Publication number 20170123330
- Publication date May 4, 2017
- Canon Kabushiki Kaisha
- Kaname Watariguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20160252832
- Publication date Sep 1, 2016
- Canon Kabushiki Kaisha
- Masato Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR MANUFACTURING...
- Publication number 20160252829
- Publication date Sep 1, 2016
- Canon Kabushiki Kaisha
- Masataka Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20160252833
- Publication date Sep 1, 2016
- Canon Kabushiki Kaisha
- Hirofumi Kumoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR MANUFACTURING...
- Publication number 20160252830
- Publication date Sep 1, 2016
- Canon Kabushiki Kaisha
- Yota Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELE...
- Publication number 20160154326
- Publication date Jun 2, 2016
- Canon Kabushiki Kaisha
- Hirofumi Kumoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND E...
- Publication number 20160154328
- Publication date Jun 2, 2016
- Canon Kabushiki Kaisha
- Hirofumi Kumoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20150277244
- Publication date Oct 1, 2015
- Canon Kabushiki Kaisha
- Taichi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20150277249
- Publication date Oct 1, 2015
- Canon Kabushiki Kaisha
- Daisuke Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20150220007
- Publication date Aug 6, 2015
- Canon Kabushiki Kaisha
- Yota Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
- Publication number 20140205941
- Publication date Jul 24, 2014
- Canon Kabushiki Kaisha
- Masashi Nishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20140134525
- Publication date May 15, 2014
- Canon Kabushiki Kaisha
- Takashi Anezaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
- Publication number 20090136256
- Publication date May 28, 2009
- Canon Kabushiki Kaisha
- Kazushige Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hirofumi Kumoi

Person

Patents Grantslast 30 patents

Electrophotographic photosensitive member, process cartridge, elect...

Electrophotographic photosensitive member, method for manufacturing...

Electrophotographic photosensitive member, process cartridge, and e...

Electrophotographic photosensitive member, method for manufacturing...

Electrophotographic photosensitive member, process cartridge, and e...

Electrophotographic image forming apparatus having charge transport...

Electrophotographic photosensitive member, process cartridge, and e...

Electrophotographic photosensitive member, process cartridge and el...

Electrophotographic photosensitive member, process cartridge and el...

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE,ELECTR...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR MANUFACTURING...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR MANUFACTURING...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELE...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND E...

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...