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Tatsumi Satoh
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Musashino, JP
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last 30 patents
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Patent Grant
Electrophotographic element with carbazole-phenyhydrazone charge tr...
Patent number
4,256,821
Issue date
Mar 17, 1981
Ricoh Company, Ltd.
Takamichi Enomoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY