Membership
Tour
Register
Log in
Tetsuroh Tanigawa
Follow
Person
Kanagawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus, process cartridge, developing unit, and im...
Patent number
7,522,850
Issue date
Apr 21, 2009
Ricoh Company, Ltd.
Kazuhito Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge including at least one replaceable member and ima...
Patent number
7,493,061
Issue date
Feb 17, 2009
Ricoh Company, Ltd.
Satoshi Hatori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, process cartridge, developing unit, and im...
Patent number
7,158,730
Issue date
Jan 2, 2007
Ricoh Company, Ltd.
Kazuhito Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Publication confirming method, publication information acquisition...
Patent number
7,031,982
Issue date
Apr 18, 2006
Ricoh Company, Ltd.
Tetsuroh Tanigawa
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, DEVELOPING UNIT, AND IM...
Publication number
20070071499
Publication date
Mar 29, 2007
Kazuhito Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Process cartridge and image forming apparatus
Publication number
20060045603
Publication date
Mar 2, 2006
Satoshi Hatori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, process cartridge, developing unit, and im...
Publication number
20050063713
Publication date
Mar 24, 2005
Kazuhito Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Publication confirming method, publication information acquisition...
Publication number
20020174271
Publication date
Nov 21, 2002
Tetsuroh Tanigawa
G06 - COMPUTING CALCULATING COUNTING