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Takashi Uchiyama
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Tokyo, JP
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last 30 patents
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Patent Grant
Color modification utilizing two coefficients
Patent number
5,278,640
Issue date
Jan 11, 1994
Dai Nippon Insatsu Kabushiki Kaisha
Masao Aizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for color modification adapted to represent the pictorial...
Patent number
4,975,769
Issue date
Dec 4, 1990
Dai Nippon Insatsu Kaushiki Kaisha
Masao Aizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicolor sublimation type thermal recording method including colo...
Patent number
4,967,283
Issue date
Oct 30, 1990
Dai Nippon Insatsu Kabushiki Kaisha
Takashi Uchiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicolor sublimation type thermal recording method including colo...
Patent number
4,814,891
Issue date
Mar 21, 1989
Dai Nippon Insatsu Kabushiki Kaisha
Takashi Uchiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE