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Michiyo Yokoyama
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Yokohama, JP
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last 30 patents
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Patent Grant
AZO compound photoreceptor having napthol substiuents
Patent number
4,791,194
Issue date
Dec 13, 1988
Mitsubishi Chemical Industries, Ltd.
Tetsumi Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photoreceptor comprising azo compounds
Patent number
4,618,555
Issue date
Oct 21, 1986
Mitsubishi Chemical Ind., Ltd.
Tetsumi Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY