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Patents Grants
last 30 patents
Information
Patent Grant
Waste toner collecting container and process unit
Patent number
9,223,288
Issue date
Dec 29, 2015
Ricoh Company, Ltd.
Chuanyi Yang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Remaining amount of developer detection device, development device,...
Patent number
7,965,952
Issue date
Jun 21, 2011
Ricoh Company, Ltd.
Hongjie Tan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
WASTE TONER COLLECTING CONTAINER AND PROCESS UNIT
Publication number
20130051882
Publication date
Feb 28, 2013
Chuanyi Yang
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REMAINING AMOUNT OF DEVELOPER DETECTION DEVICE, DEVELOPMENT DEVICE,...
Publication number
20100232816
Publication date
Sep 16, 2010
Hongjie TAN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY