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Kiyoshi Taniguchi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Package and method of forming the package
Patent number
7,334,383
Issue date
Feb 26, 2008
Ricoh Co. Ltd.
Junichi Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Package and method of forming the package
Patent number
6,983,840
Issue date
Jan 10, 2006
Ricoh Co., Ltd.
Junichi Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image bearer, process cartridge and image formi...
Patent number
6,661,985
Issue date
Dec 9, 2003
Ricoh Company, Limited
Takato Kiyohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor
Patent number
5,670,284
Issue date
Sep 23, 1997
Ricoh Company, Ltd.
Hiroyuki Kishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image formation method
Patent number
5,339,138
Issue date
Aug 16, 1994
Ricoh Company, Ltd.
Naoshi Mishima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor having intermediate layer compri...
Patent number
5,135,829
Issue date
Aug 4, 1992
Ricoh Company, Ltd.
Toshio Fukagai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor having overcoat layer
Patent number
4,970,131
Issue date
Nov 13, 1990
Ricoh Company, Ltd.
Kiyoshi Taniguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor with undercoat layer containing...
Patent number
4,906,545
Issue date
Mar 6, 1990
Ricoh Company, Ltd.
Toshio Fukagai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor comprising charge generating and...
Patent number
4,863,822
Issue date
Sep 5, 1989
Ricoh Company Ltd.
Toshio Fukagai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photoconductor with layer preventing charge inj...
Patent number
4,822,705
Issue date
Apr 18, 1989
Ricoh Company, Ltd.
Toshio Fukagai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photo-sensitive and heat-sensitive composition and recording elemen...
Patent number
4,332,884
Issue date
Jun 1, 1982
Ricoh Co., Ltd.
Koji Uji-Ie
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photo-sensitive and heat-sensitive composition and recording elemen...
Patent number
4,315,068
Issue date
Feb 9, 1982
Ricoh Co., Ltd.
Makoto Kunikane
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Photo-sensitive and heat-sensitive composition and recording elemen...
Patent number
4,306,014
Issue date
Dec 15, 1981
Ricoh Co., Ltd.
Makoto Kunikane
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Electrophotographic photoreceptor, and image forming apparatus and...
Publication number
20070065739
Publication date
Mar 22, 2007
Kiyoshi Taniguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Package and method of forming the package
Publication number
20050284778
Publication date
Dec 29, 2005
Junichi Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Package and method of forming the package
Publication number
20030138267
Publication date
Jul 24, 2003
Junichi Yamazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic image bearer, process cartridge and image formi...
Publication number
20030059232
Publication date
Mar 27, 2003
Takato Kiyohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY