Inventor · disambiguated record

Koichi Hatta

Also filed as: HATTA KOICHI

3 granted patents·33 citations·filing 1985–1988

70Inventor score

Technology areasG03C

Files withKONISHIROKU PHOTO IND3

Top patents by PatentIndex Score

3 records

0184US4665015ASilver halide color photographic material containing a magenta couplerKONISHIROKU PHOTO IND·Filed 1985·Granted May 12, 1987·17 cites·7 claims
0265US4695533ASilver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1985·Granted Sep 22, 1987·9 cites·7 claims
0359US4840886ASilver halide color photographic material containing a 1h-pyrazole (3,2-C)-s-triazole derived magenta couplerKONISHIROKU PHOTO IND·Filed 1988·Granted Jun 20, 1989·7 cites·11 claims

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