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last 30 patents
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Patent Grant
Light-sensitive silver halide color photographic material
Patent number
5,023,169
Issue date
Jun 11, 1991
Konica Corporation
Shigeto Hirabayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Silver halide light-sensitive photographic material containing a no...
Patent number
4,992,360
Issue date
Feb 12, 1991
Konica Corporation
Mayumi Tsuruta
C07 - ORGANIC CHEMISTRY