Inventor · disambiguated record
Shigemasa Itoh
Also filed as: ITOH SHIGEMASA
4 granted patents·29 citations·filing 1975–1980
73Inventor score
Files withKONISHIROKU PHOTO IND4
Top patents by PatentIndex Score
4 records- 0177US4026707ASilver halide photographic emulsion sensitized with a mixture of oxacarbocyanine dyesKONISHIROKU PHOTO IND·Filed 1976·Granted May 31, 1977·16 cites·26 claims
- 0263US4057538AMethod for hardening gelatinKONISHIROKU PHOTO IND·Filed 1975·Granted Nov 8, 1977·7 cites·6 claims
- 0358US4304845ASilver halide photographic materials containing photographic yellow couplerKONISHIROKU PHOTO IND·Filed 1980·Granted Dec 8, 1981·4 cites·10 claims
- 0437US4147547ASilver halide color photographic materialKONISHIROKU PHOTO IND·Filed 1978·Granted Apr 3, 1979·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →