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Michihito Ohashi
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lighting device and image reading apparatus
Patent number
11,933,486
Issue date
Mar 19, 2024
Ricoh Company, Ltd.
Hideyo Makino
F21 - LIGHTING
Information
Patent Grant
Image forming apparatus for detecting speed fluctuation
Patent number
8,428,476
Issue date
Apr 23, 2013
Ricoh Company, Ltd.
Hiromichi Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoconductive element unit including support portions configured...
Patent number
6,879,795
Issue date
Apr 12, 2005
Ricoh Company, Ltd.
Michihito Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for regenerating printed sheet-like recording medium
Patent number
RE37197
Issue date
May 29, 2001
Ricoh Company, Ltd.
Toru Iida
422 - Chemical apparatus and process disinfecting, deodorizing, preserving, o...
Information
Patent Grant
Device for regenerating printed sheet-like recording medium
Patent number
5,612,766
Issue date
Mar 18, 1997
Ricoh Company, Ltd.
Toru Iida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Device for regenerating printed sheet-like recording medium
Patent number
5,545,381
Issue date
Aug 13, 1996
Ricoh Company, Ltd.
Toru Iida
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Developer recycling system and developer cartridge therefor
Patent number
5,508,794
Issue date
Apr 16, 1996
Ricoh Company, Ltd.
Masumi Ikesue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image developing device for electrophotography
Patent number
4,835,565
Issue date
May 30, 1989
Ricoh Company, Ltd.
Shinzi Nagatsuna
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for driving rotary body
Patent number
4,794,420
Issue date
Dec 27, 1988
Ricoh Company, Ltd.
Michihito Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
LIGHTING DEVICE AND IMAGE READING APPARATUS
Publication number
20230383924
Publication date
Nov 30, 2023
RICOH COMPANY, LTD.
Hideyo Makino
F21 - LIGHTING
Information
Patent Application
SHEET CONVEYANCE GUIDE AND IMAGE FORMING APPARATUS INCORPORATING TH...
Publication number
20230024199
Publication date
Jan 26, 2023
RICOH COMPANY, LTD.
Hideyo MAKINO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20090324262
Publication date
Dec 31, 2009
Ricoh Company, Ltd.
Hiromichi Matsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Photoconductive element unit for an image forming apparatus
Publication number
20030180072
Publication date
Sep 25, 2003
Michihito Ohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY