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Kudamatsu, JP
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last 30 patents
Information
Patent Grant
Image recording method and apparatus
Patent number
5,144,343
Issue date
Sep 1, 1992
Hitachi, Ltd.
Sayoko Oba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printing machine
Patent number
5,021,810
Issue date
Jun 4, 1991
Hitachi, Ltd.
Katsumi Muroi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrostatic recording head, image recording apparatus, developing...
Patent number
4,977,415
Issue date
Dec 11, 1990
Hitachi, Ltd.
Sayoko Oba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for image recording
Patent number
4,777,499
Issue date
Oct 11, 1988
Hitachi, Ltd.
Kenji Okuna
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Free-flow electrophoretic separation method and apparatus therefor
Patent number
4,749,458
Issue date
Jun 7, 1988
Hitachi, Ltd.
Katsumi Muroi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Free-flow electrophoretic separation method and apparatus therefor
Patent number
4,698,142
Issue date
Oct 6, 1987
Hitachi, Ltd.
Katsumi Muroi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL