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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Recycling image forming apparatus
Patent number
8,320,799
Issue date
Nov 27, 2012
Ricoh Company, Ltd.
Ryuji Yoshida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,898,383
Issue date
May 24, 2005
Ricoh Company, Ltd.
Mayumi Ohori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having a sensor for sensing an amount of re...
Patent number
6,628,903
Issue date
Sep 30, 2003
Ricoh Company, Ltd.
Mayumi Ohori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a voltage applying unit for image tran...
Patent number
6,160,969
Issue date
Dec 12, 2000
Ricoh Company, Ltd.
Kouji Ishigaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having a sensor for sensing an amount of re...
Patent number
6,144,811
Issue date
Nov 7, 2000
Ricoh Company
Mayumi Ohori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method for controlling charging and dev...
Patent number
6,128,449
Issue date
Oct 3, 2000
Ricoh Company, Ltd.
Hideki Zenba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming apparatus
Patent number
6,085,062
Issue date
Jul 4, 2000
Ricoh Company, Ltd.
Haruji Mizuishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
RECYCLING IMAGE FORMING APPARATUS
Publication number
20110064475
Publication date
Mar 17, 2011
Ryuji YOSHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20040071475
Publication date
Apr 15, 2004
Mayumi Ohori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY