Akio Maruyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming method, and electrophotographic apparatus making use...
- Patent number 7,749,667
- Issue date Jul 6, 2010
- Canon Kabushiki Kaisha
- Masataka Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member with depressed portions,...
- Patent number 7,718,331
- Issue date May 18, 2010
- Canon Kabushiki Kaisha
- Hiroki Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing electrophotographic photosensitive member
- Patent number 7,622,238
- Issue date Nov 24, 2009
- Canon Kabushiki Kaisha
- Hiroki Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
- Patent number 7,563,553
- Issue date Jul 21, 2009
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 7,556,901
- Issue date Jul 7, 2009
- Canon Kabushiki Kaisha
- Takashi Anezaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 7,551,878
- Issue date Jun 23, 2009
- Canon Kabushiki Kaisha
- Harunobu Ogaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic Photosensitive member, method for manufacturing...
- Patent number 7,534,534
- Issue date May 19, 2009
- Canon Kabushiki Kaisha
- Koichi Nakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, method for manufacturing...
- Patent number 7,226,711
- Issue date Jun 5, 2007
- Canon Kabushiki Kaisha
- Shoji Amamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, electrophotographic phot...
- Patent number 7,186,489
- Issue date Mar 6, 2007
- Canon Kabushiki Kaisha
- Hiroki Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member electrophotographic appar...
- Patent number 6,664,014
- Issue date Dec 16, 2003
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
ELECTROPHOTOGRAPHIC PHOTOSENSITVE MEMBER, PROCESS FOR PRODUCING ELE...
- Patent number 6,436,597
- Issue date Aug 20, 2002
- Canon Kabushiki Kaisha
- Akio Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
- Patent number 6,416,915
- Issue date Jul 9, 2002
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
- Patent number 6,372,397
- Issue date Apr 16, 2002
- Canon Kabushiki Kaisha
- Akio Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus and process cartridge
- Patent number 6,289,190
- Issue date Sep 11, 2001
- Canon Kabushiki Kaisha
- Shoji Amamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
- Patent number 6,180,303
- Issue date Jan 30, 2001
- Canon Kabushiki Kaisha
- Hiroki Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
- Patent number 6,110,628
- Issue date Aug 29, 2000
- Canon Kabushiki Kaisha
- Michiyo Sekiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, electrophotographic appa...
- Patent number 6,016,414
- Issue date Jan 18, 2000
- Canon Kabushiki Kaisha
- Hideki Anayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus
- Patent number 5,923,925
- Issue date Jul 13, 1999
- Canon Kabushiki Kaisha
- Kazushige Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus using photoconductive member chargeab...
- Patent number 5,890,037
- Issue date Mar 30, 1999
- Canon Kabushiki Kaisha
- Tsutomu Kukimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical modulation element
- Patent number 5,838,410
- Issue date Nov 17, 1998
- Canon Kabushiki Kaisha
- Ryoji Fujiwara
- G02 - OPTICS
Information Patent Grant
Electrophotographic apparatus and process cartridge
- Patent number 5,729,801
- Issue date Mar 17, 1998
- Canon Kabushiki Kaisha
- Akio Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging system and electrophotography apparatus
- Patent number 5,708,932
- Issue date Jan 13, 1998
- Canon Kabushiki Kaisha
- Hideyuki Yano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus, process cartridge, and image forming...
- Patent number 5,701,571
- Issue date Dec 23, 1997
- Canon Kabushiki Kaisha
- Syoji Amamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member, and process cartridge an...
- Patent number 5,693,443
- Issue date Dec 2, 1997
- Canon Kabushiki Kaisha
- Kazushige Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member
- Patent number 5,677,095
- Issue date Oct 14, 1997
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus and image forming process
- Patent number 5,667,926
- Issue date Sep 16, 1997
- Canon Kabushiki Kaisha
- Akio Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member
- Patent number 5,484,673
- Issue date Jan 16, 1996
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member with overlayer and electr...
- Patent number 5,455,135
- Issue date Oct 3, 1995
- Canon Kabushiki Kaisha
- Akio Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus having cleaning width larger than cha...
- Patent number 5,430,527
- Issue date Jul 4, 1995
- Canon Kabushiki Kaisha
- Akio Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photosensitive member and electrophotographic a...
- Patent number 5,422,210
- Issue date Jun 6, 1995
- Canon Kabushiki Kaisha
- Akio Maruyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
EXTERNAL ADDITIVE PARTICLES, TONER, AND METHOD FOR PRODUCING EXTERN...
- Publication number 20220171305
- Publication date Jun 2, 2022
- Canon Kabushiki Kaisha
- Jun Shirakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
EXTERNAL ADDITIVE PARTICLE AND TONER
- Publication number 20220128920
- Publication date Apr 28, 2022
- Canon Kabushiki Kaisha
- Jun Shirakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20090170023
- Publication date Jul 2, 2009
- Canon Kabushiki Kaisha
- Akira Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20080124637
- Publication date May 29, 2008
- Canon Kabushiki Kaisha
- Hiroki Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20080124126
- Publication date May 29, 2008
- Canon Kabushiki Kaisha
- Takashi Anezaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20080096123
- Publication date Apr 24, 2008
- Canon Kabushiki Kaisha
- Akira Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
- Publication number 20080019735
- Publication date Jan 24, 2008
- Canon Kabushiki Kaisha
- Harunobu Ogaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
- Publication number 20070281239
- Publication date Dec 6, 2007
- Canon Kabushiki Kaisha
- Hiroki Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD, AND ELECTROPHOTOGRAPHIC APPARATUS MAKING USE...
- Publication number 20070254232
- Publication date Nov 1, 2007
- Canon Kabushiki Kaisha
- Masataka Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER PROCESS CARTRIDGE AND ELE...
- Publication number 20070178400
- Publication date Aug 2, 2007
- Canon Kabushiki Kaisha
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photosensitive member, method for manufacturing...
- Publication number 20060019185
- Publication date Jan 26, 2006
- Canon Kabushiki Kaisha
- Shoji Amamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photosensitive member, electrophotographic phot...
- Publication number 20060008717
- Publication date Jan 12, 2006
- Canon Kabushiki Kaisha
- Hiroki Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photosensitive member, method for manufacturing...
- Publication number 20050255393
- Publication date Nov 17, 2005
- Canon Kabushiki Kaisha
- Koichi Nakata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photosensitive member, process cartridge and el...
- Publication number 20040043312
- Publication date Mar 4, 2004
- Toshihiro Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS FOR PRODUCING EL...
- Publication number 20020018953
- Publication date Feb 14, 2002
- AKIO MARUYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Akio Maruyama

Person

Patents Grantslast 30 patents

Image forming method, and electrophotographic apparatus making use...

Electrophotographic photosensitive member with depressed portions,...

Process for producing electrophotographic photosensitive member

Electrophotographic photosensitive member, process cartridge and el...

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

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

Electrophotographic Photosensitive member, method for manufacturing...

Electrophotographic photosensitive member, method for manufacturing...

Electrophotographic photosensitive member, electrophotographic phot...

Electrophotographic photosensitive member electrophotographic appar...

ELECTROPHOTOGRAPHIC PHOTOSENSITVE MEMBER, PROCESS FOR PRODUCING ELE...

Electrophotographic photosensitive member, process cartridge and el...

Electrophotographic photosensitive member, process cartridge and el...

Electrophotographic apparatus and process cartridge

Electrophotographic photosensitive member, process cartridge and el...

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

Electrophotographic photosensitive member, electrophotographic appa...

Electrophotographic apparatus

Electrophotographic apparatus using photoconductive member chargeab...

Optical modulation element

Electrophotographic apparatus and process cartridge

Charging system and electrophotography apparatus

Electrophotographic apparatus, process cartridge, and image forming...

Electrophotographic photosensitive member, and process cartridge an...

Electrophotographic photosensitive member

Electrophotographic apparatus and image forming process

Electrophotographic photosensitive member

Electrophotographic photosensitive member with overlayer and electr...

Electrophotographic apparatus having cleaning width larger than cha...

Electrophotographic photosensitive member and electrophotographic a...

Patents Applicationslast 30 patents

EXTERNAL ADDITIVE PARTICLES, TONER, AND METHOD FOR PRODUCING EXTERN...

EXTERNAL ADDITIVE PARTICLE AND TONER

PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

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

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

PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

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

PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

IMAGE FORMING METHOD, AND ELECTROPHOTOGRAPHIC APPARATUS MAKING USE...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER PROCESS CARTRIDGE AND ELE...

Electrophotographic photosensitive member, method for manufacturing...

Electrophotographic photosensitive member, electrophotographic phot...

Electrophotographic photosensitive member, method for manufacturing...

Electrophotographic photosensitive member, process cartridge and el...

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS FOR PRODUCING EL...