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Mitsuo Shibusawa
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Tokyo, JP
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last 30 patents
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Patent Grant
Copies with automatic document feeder
Patent number
5,077,579
Issue date
Dec 31, 1991
Rocoh Company, Ltd.
Mitsuo Shibusawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Copying paper processing apparatus
Patent number
5,060,922
Issue date
Oct 29, 1991
Ricoh Company, Ltd.
Mitsuo Shibusawa
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Split scanning copier
Patent number
4,696,563
Issue date
Sep 29, 1987
Ricoh Company, Ltd.
Mitsuo Shibusawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Guidance device for manipulation of machine
Patent number
4,682,158
Issue date
Jul 21, 1987
Ricoh Company, Ltd.
Masaji Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Power supply control device for copier having timer
Patent number
4,677,310
Issue date
Jun 30, 1987
Ricoh Company, Ltd.
Akira Midorikawa
G05 - CONTROLLING REGULATING
Information
Patent Grant
Counter and timing mechanism for copying apparatus
Patent number
4,391,508
Issue date
Jul 5, 1983
Ricoh Company, Ltd.
Mitsuo Shibusawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic brush development apparatus with developer supply detectin...
Patent number
4,197,813
Issue date
Apr 15, 1980
Ricoh Company, Ltd.
Takashi Yano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY