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Hidenori Iwanaga
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Hitachinaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Powder container apparatus and image forming apparatus
Patent number
8,369,720
Issue date
Feb 5, 2013
Ricoh Company, Ltd.
Tetsuya Ohba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
7,542,708
Issue date
Jun 2, 2009
Ricoh Company, Ltd.
Akitomo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Web transporting mechanism of printing apparatus
Patent number
7,451,902
Issue date
Nov 18, 2008
Ricoh Printing Systems, Ltd.
Yuji Ohmura
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Tension generating mechanism for a printing apparatus
Patent number
6,969,206
Issue date
Nov 29, 2005
Ricoh Printing Systems, Ltd.
Hidenori Iwanaga
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Electrophotographic apparatus and paper detector thereof and paper...
Patent number
5,745,817
Issue date
Apr 28, 1998
Hitachi Koki Co., Ltd.
Akihiko Yamazaki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Toner supply control system for an electrophotographic apparatus
Patent number
5,606,403
Issue date
Feb 25, 1997
Hitachi Koki Co., Ltd.
Toru Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device in electrophotographic apparatus including develo...
Patent number
5,545,840
Issue date
Aug 13, 1996
Hitachi Koki Co., Ltd.
Koji Doi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
POWDER CONTAINER APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20100196021
Publication date
Aug 5, 2010
Tetsuya OHBA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20080050157
Publication date
Feb 28, 2008
Akitomo KUWABARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20070212130
Publication date
Sep 13, 2007
Ricoh Printing Systems, Ltd.
Akitomo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Web transporting mechanism of printing apparatus
Publication number
20050184119
Publication date
Aug 25, 2005
Ricoh Printing Systems, Ltd.
Yuji Ohmura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Printing apparatus
Publication number
20030177923
Publication date
Sep 25, 2003
HITACHI PRINTING SOLUTIONS, LTD.
Hidenori Iwanaga
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL