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Hiroshi Sugimoto
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Numazu, JP
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last 30 patents
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Patent Grant
Image formation method using color toners
Patent number
6,248,488
Issue date
Jun 19, 2001
Ricoh Company, Ltd.
Nobutaka Kinoshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Dry developer for developing electrostatic latent image
Patent number
5,994,016
Issue date
Nov 30, 1999
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY