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Ikutoshi Shibuya
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Hitachi, JP
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last 30 patents
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Patent Grant
Toner for developing electrostatic image comprising vinyl polymer h...
Patent number
4,950,574
Issue date
Aug 21, 1990
Hitachi Chemical Company, Ltd.
Yuugo Kumagai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic plate having a charge generating layer containi...
Patent number
4,657,834
Issue date
Apr 14, 1987
Hitachi, Ltd.
Shigeo Tachiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic plate having a charge generating layer containi...
Patent number
4,565,758
Issue date
Jan 21, 1986
Hitachi, Ltd.
Shigeo Tachiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY