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Kanagawa, JP
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last 30 patents
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Patent Grant
Polymer, electrophotographic photosensitive member containing the p...
Patent number
6,228,546
Issue date
May 8, 2001
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitve member and image forming apparatus
Patent number
5,834,145
Issue date
Nov 10, 1998
Canon Kabushiki Kaisha
Kazuo Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus and image forming method using a phot...
Patent number
5,666,589
Issue date
Sep 9, 1997
Canon Kabushiki Kaisha
Kazuo Yoshinaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
Patent number
5,629,116
Issue date
May 13, 1997
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge includ...
Patent number
5,604,061
Issue date
Feb 18, 1997
Canon Kabushiki Kaisha
Kunihiko Sekido
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member and electrophotographic a...
Patent number
5,488,461
Issue date
Jan 30, 1996
Canon Kabushiki Kaisha
Shintetsu Go
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and process cartridge an...
Patent number
5,486,440
Issue date
Jan 23, 1996
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member having intermediate layer...
Patent number
5,468,584
Issue date
Nov 21, 1995
Canon Kabushiki Kaisha
Shintetsu Go
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, process cartridge includ...
Patent number
5,464,718
Issue date
Nov 7, 1995
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
5,453,342
Issue date
Sep 26, 1995
Canon Kabushiki Kaisha
Shintetsu Go
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
5,411,828
Issue date
May 2, 1995
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, electrophotographic appa...
Patent number
5,356,746
Issue date
Oct 18, 1994
Canon Kabushiki Kaisha
Satomi Sugiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
5,288,575
Issue date
Feb 22, 1994
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
5,278,013
Issue date
Jan 11, 1994
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member comprising a tris-azo pig...
Patent number
5,272,028
Issue date
Dec 21, 1993
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
5,246,805
Issue date
Sep 21, 1993
Canon Kabushiki Kaisha
Hajime Miyazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member and electrophotographic a...
Patent number
5,219,688
Issue date
Jun 15, 1993
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
5,194,353
Issue date
Mar 16, 1993
Canon Kabushiki Kaisha
Masato Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic bisazo photosensitive member, and electrophotog...
Patent number
5,192,632
Issue date
Mar 9, 1993
Canon Kabushiki Kaisha
Satomi Ohmura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
5,173,383
Issue date
Dec 22, 1992
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member having an azo pigment
Patent number
5,093,218
Issue date
Mar 3, 1992
Canon Kabushiki Kaisha
Toshie Miyaji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive material using azo pigment conta...
Patent number
4,975,349
Issue date
Dec 4, 1990
Canon Kabushiki Kaisha
Yoshio Kashizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member comprising aromatic azo p...
Patent number
4,868,080
Issue date
Sep 19, 1989
Canon Kabushiki Kaisha
Shoji Umehara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY