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Masaki Narita
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Suginami-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sheet feeder and image forming apparatus
Patent number
9,346,640
Issue date
May 24, 2016
Ricoh Company, Ltd.
Hirofumi Horita
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Photoreceptor regenerating apparatus and image forming apparatus us...
Patent number
6,763,208
Issue date
Jul 13, 2004
Ricoh Company, Ltd.
Shinji Nagatsuna
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reusable photoreceptor and image forming apparatus using the reusab...
Patent number
6,560,414
Issue date
May 6, 2003
Ricoh Company, Ltd.
Takeo Suda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image recording method and apparatus using multiple laser beams
Patent number
5,926,203
Issue date
Jul 20, 1999
Ricoh Company, Ltd.
Akira Shimura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-beam pitch adjustment system and method
Patent number
5,786,594
Issue date
Jul 28, 1998
Ricoh Company, Ltd.
Tatsuya Ito
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Multiple beam scanning apparatus
Patent number
5,753,907
Issue date
May 19, 1998
Ricoh Company, Ltd.
Tomohiro Nakajima
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming system
Patent number
5,610,724
Issue date
Mar 11, 1997
Ricoh Company, Ltd.
Masaru Kaneko
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Electrophotographic image forming apparatus having replaceable opti...
Patent number
4,912,563
Issue date
Mar 27, 1990
Ricoh Company, Ltd.
Masaki Narita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
SHEET FEEDER AND IMAGE FORMING APPARATUS
Publication number
20150259164
Publication date
Sep 17, 2015
RICOH COMPANY, LTD.
Hirofumi HORITA
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Photoreceptor regenerating apparatus and image forming apparatus us...
Publication number
20020136565
Publication date
Sep 26, 2002
Shinji Nagatsuna
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Reusable photoreceptor and image forming apparatus using the reusab...
Publication number
20020090221
Publication date
Jul 11, 2002
Takeo Suda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC