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Hiroyuki Imamura
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Hino, JP
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last 30 patents
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Patent Grant
Photographic silver halide materials containing yellow coupler
Patent number
4,314,023
Issue date
Feb 2, 1982
Konishiroku Photo Industry Co., Ltd.
Tamotsu Kojima
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for forming a photographic magenta dye image
Patent number
4,191,574
Issue date
Mar 4, 1980
Konishiroku Photo Industry Co., Ltd.
Takaya Endo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for forming a photographic magenta dye image
Patent number
4,126,462
Issue date
Nov 21, 1978
Konishiroku Photo Industry Co., Ltd.
Takaya Endo
C07 - ORGANIC CHEMISTRY