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Minoru Iwamoto
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Tokyo, JP
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last 30 patents
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Patent Grant
Electrophotographic copier with a developing device using a liquid...
Patent number
5,359,398
Issue date
Oct 25, 1994
Ricoh Company, Ltd.
Katsuhiro Echigo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with ozone detection and deodorizer
Patent number
5,164,778
Issue date
Nov 17, 1992
Ricoh Company, Ltd.
Hiroshi Tanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for decomposing ozone by using a solvent mist
Patent number
5,155,531
Issue date
Oct 13, 1992
Ricoh Company, Ltd.
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control system for a copier with retention of settings therefor
Patent number
5,121,162
Issue date
Jun 9, 1992
Ricoh Company, Ltd.
Minoru Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Copier with an automatic document feeder
Patent number
4,972,235
Issue date
Nov 20, 1990
Ricoh Company, Ltd.
Minoru Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control system for a copier
Patent number
4,814,831
Issue date
Mar 21, 1989
Ricoh Company, Ltd.
Minoru Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reproduction apparatus comprising sorting device
Patent number
4,208,122
Issue date
Jun 17, 1980
Ricoh Company, Ltd.
Minoru Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY