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Tokyo, JP
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last 30 patents
Information
Patent Grant
Electrostatic recording apparatus
Patent number
4,875,063
Issue date
Oct 17, 1989
Ricoh Company, Ltd.
Hiroyuki Idenawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic printing apparatus with heated adjustable pressure to...
Patent number
4,753,543
Issue date
Jun 28, 1988
Ricoh Company, Ltd.
Hideaki Mochimaru
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Facsimile system control apparatus
Patent number
4,593,323
Issue date
Jun 3, 1986
Ricoh Company, Ltd.
Hajime Kanda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image information reading system of facsimile apparatus
Patent number
4,313,138
Issue date
Jan 26, 1982
Ricoh Company Ltd.
Hajime Kanda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Facsimile transceiver apparatus
Patent number
4,249,216
Issue date
Feb 3, 1981
Ricoh Company, Ltd.
Hajime Kanda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Abnormality indication system of facsimile apparatus
Patent number
4,224,641
Issue date
Sep 23, 1980
Ricoh Company, Limited
Hajime Kanda
H04 - ELECTRIC COMMUNICATION TECHNIQUE