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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Roller, developing roller, developing device, process cartridge, an...
Patent number
9,098,016
Issue date
Aug 4, 2015
Ricoh Company, Ltd.
Yuki Moro
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Development roller, development device, process cartridge and image...
Patent number
8,135,316
Issue date
Mar 13, 2012
Ricoh Company, Ltd.
Toshio Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing roller, developing device, process cartridge, and image...
Patent number
7,925,192
Issue date
Apr 12, 2011
Ricoh Company, Ltd.
Toshio Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic field generating member and manufacturing method thereof,...
Patent number
7,917,067
Issue date
Mar 29, 2011
Ricoh Company, Ltd.
Yoshiyuki Takano
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Developer carrier, development device, process cartridge, and image...
Patent number
7,907,876
Issue date
Mar 15, 2011
Ricoh Company, Ltd.
Masayuki Ohsawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic roller, developer carrier, developing device, process cart...
Patent number
7,890,030
Issue date
Feb 15, 2011
Ricoh Company, Ltd.
Takashi Innami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ROLLER, DEVELOPING ROLLER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AN...
Publication number
20140356031
Publication date
Dec 4, 2014
RICOH COMPANY, LTD.
Yuki Moro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20120134721
Publication date
May 31, 2012
RICOH COMPANY, LTD.
Hiroya ABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESSING CARTRIDGE AND IM...
Publication number
20100158578
Publication date
Jun 24, 2010
RICOH COMPANY, LTD.
Toshio Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CARRIER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE...
Publication number
20100067959
Publication date
Mar 18, 2010
Masayuki Ohsawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MAGNETIC ROLLER, DEVELOPER CARRIER, DEVELOPING DEVICE, PROCESS CART...
Publication number
20090232563
Publication date
Sep 17, 2009
Takashi Innami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MAGNETIC FIELD GENERATING MEMBER AND MANUFACTURING METHOD THEREOF,...
Publication number
20090175666
Publication date
Jul 9, 2009
Yoshiyuki TAKANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOP UNIT, PROCESS CARTRIDGE, AND IMAGE FORMATION APPARATUS
Publication number
20090154961
Publication date
Jun 18, 2009
Noriyuki KAMIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING ROLLER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE...
Publication number
20090060591
Publication date
Mar 5, 2009
RICOH COMPANY, LTD.
Toshio Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY