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Yuji Ishikura
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
8,948,638
Issue date
Feb 3, 2015
Ricoh Company, Ltd.
Yuji Ishikura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, process cartridge incorporating same, and image...
Patent number
8,594,540
Issue date
Nov 26, 2013
Ricoh Company, Limited
Tetsuro Hirota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, process cartridge incorporating same, and image...
Patent number
8,588,635
Issue date
Nov 19, 2013
Ricoh Company, Limited
Yoshiko Ogawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, process cartridge, and image forming apparatus
Patent number
8,433,211
Issue date
Apr 30, 2013
Ricoh Company, Ltd.
Masanori Horike
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120057891
Publication date
Mar 8, 2012
Yuji ISHIKURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LUBRICANT APPLYING DEVICE, IMAGE FORMING APPARATUS, PROCESS UNIT, A...
Publication number
20110229232
Publication date
Sep 22, 2011
Takeshi Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...
Publication number
20110182626
Publication date
Jul 28, 2011
Tetsuro HIROTA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...
Publication number
20110164892
Publication date
Jul 7, 2011
Yoshiko OGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20110064432
Publication date
Mar 17, 2011
Masanori Horike
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY