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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus having a transfer member mount accommodatin...
Patent number
8,843,009
Issue date
Sep 23, 2014
Ricoh Company, Ltd.
Kazuki Yogosawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus capable of effectively performing a mainten...
Patent number
8,219,000
Issue date
Jul 10, 2012
Ricoh Company, Ltd.
Kazuosa Kuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lubricant applying device and image forming apparatus
Patent number
7,933,546
Issue date
Apr 26, 2011
Ricoh Company, Ltd.
Takeshi Fukao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus capable of providing a stable belt movement...
Patent number
7,627,268
Issue date
Dec 1, 2009
Ricoh Co., Ltd.
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer unit and image forming apparatus
Patent number
7,609,998
Issue date
Oct 27, 2009
Ricoh Company, Ltd.
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner replenishing and developer replacing device for a developing...
Patent number
6,125,243
Issue date
Sep 26, 2000
Ricoh Company, Ltd.
Hisashi Shoji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and cleaning method for contact-charging me...
Patent number
5,999,773
Issue date
Dec 7, 1999
Ricoh Company, Ltd.
Kei Yasutomi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner replenishing and developer replacing device for a developing...
Patent number
5,915,155
Issue date
Jun 22, 1999
Ricoh Company, Ltd.
Hisashi Shoji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner cartridge having a toner stirring member
Patent number
5,774,772
Issue date
Jun 30, 1998
Ricoh Company, Ltd.
Tsukuru Kai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit for an image forming apparatus and method of collec...
Patent number
5,638,159
Issue date
Jun 10, 1997
Ricoh Company, Ltd.
Tsukuru Kai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
5,619,316
Issue date
Apr 8, 1997
Ricoh Company, Ltd.
Hisashi Shoji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and cleaning device therefor
Patent number
5,606,408
Issue date
Feb 25, 1997
Ricoh Company, Ltd.
Hidetoshi Yano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cartridge for replenishing two-ingredient developer to an image for...
Patent number
5,598,254
Issue date
Jan 28, 1997
Ricoh Company, Ltd.
Masumi Ikesue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130051828
Publication date
Feb 28, 2013
Kazuki YOGOSAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LUBRICANT APPLYING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20090169236
Publication date
Jul 2, 2009
Takeshi Fukao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Surface-moving-body driving device, belt device, and image forming...
Publication number
20080145102
Publication date
Jun 19, 2008
Ricoh Company, Limited
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TRANSFER UNIT AND IMAGE FORMING APPARATUS
Publication number
20070286640
Publication date
Dec 13, 2007
Tsutomu KATOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS WITH SHEET GUIDING UNIT BETWEEN TRANSFERING...
Publication number
20070248391
Publication date
Oct 25, 2007
Nobuto Yokokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY PERFORMING A MAINTEN...
Publication number
20070127947
Publication date
Jun 7, 2007
Kazuosa KUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS CAPABLE OF PROVIDING A STABLE BELT MOVEMENT...
Publication number
20070127955
Publication date
Jun 7, 2007
Tsutomu Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY