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Kazuo Yokoyama
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Nagaokakyo, JP
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last 30 patents
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Patent Grant
Method for image formation
Patent number
5,270,727
Issue date
Dec 14, 1993
Mitsubishi Paper Mills Limited
Kyonosuke Yamamoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Light sensitive material for making lithographic printing plate the...
Patent number
4,879,193
Issue date
Nov 7, 1989
Mitsubishi Paper Mills, Ltd.
Yoshikazu Takaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY