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Akio Akao
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Sagamihara, JP
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last 30 patents
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Patent Grant
Electrophotographic lithographic printing plate
Patent number
5,932,381
Issue date
Aug 3, 1999
Iwatsu Electric Company, Ltd.
Akio Akao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Printing plate for electrophotographic process comprising trisazo i...
Patent number
5,219,693
Issue date
Jun 15, 1993
Iwatsu Electric Co., Ltd.
Akio Akao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for preparation of lithographic printing plate and eluting...
Patent number
5,213,919
Issue date
May 25, 1993
Iwatsu Electric Co., Ltd.
Seiji Kuwakubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY