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Kouki Sakamoto
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sheet feeding device and image forming apparatus
Patent number
8,091,883
Issue date
Jan 10, 2012
Ricoh Company Limited
Kouki Sakamoto
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Medium discrimination device, image forming apparatus, and program...
Patent number
7,443,490
Issue date
Oct 28, 2008
Ricoh Co., Ltd.
Masaru Yamagishi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Image forming apparatus operable in duplex print mode with heat pip...
Patent number
6,788,915
Issue date
Sep 7, 2004
Ricoh Company, Ltd.
Kouki Sakamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Sheet feeding device and image forming apparatus
Publication number
20110049782
Publication date
Mar 3, 2011
Ricoh Company Limited
Kouki SAKAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Medium discrimination device, image forming apparatus, and program...
Publication number
20060164456
Publication date
Jul 27, 2006
Masaru Yamagishi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Image forming apparatus operable in a duplex print mode
Publication number
20030035665
Publication date
Feb 20, 2003
Kouki Sakamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY