Inventor · disambiguated record
Yukio Yokota
Also filed as: YOKOTA YUKIO
25 granted patents·403 citations·filing 1974–1987
96Inventor score
Top patents by PatentIndex Score
25 records- 0196US4146396AMethod of forming color photographic imagesFUJI PHOTO FILM CO LTD·Filed 1977·Granted Mar 27, 1979·39 cites·25 claims
- 0295US4690889ASilver halide color photographic light-sensitive material containing novel cyan dye forming couplerFUJI PHOTO FILM CO LTD·Filed 1985·Granted Sep 1, 1987·34 cites·20 claims
- 0393US4327173AColor photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1981·Granted Apr 27, 1982·35 cites·17 claims
- 0493US4239851ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1979·Granted Dec 16, 1980·31 cites·11 claims
- 0592US4334011AColor photographic light sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1980·Granted Jun 8, 1982·32 cites·11 claims
- 0692US4228233APhotographic silver halide light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1978·Granted Oct 14, 1980·29 cites·9 claims
- 0791US4138258AMulti-layered color photographic materialsFUJI PHOTO FILM CO LTD·Filed 1977·Granted Feb 6, 1979·27 cites·1 claims
- 0890US4254212APhotographic silver halide light-sensitive material and color image-forming processFUJI PHOTO FILM CO LTD·Filed 1979·Granted Mar 3, 1981·25 cites·36 claims
- 0989US4296200ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 20, 1981·25 cites·18 claims
- 1086US4296199ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 20, 1981·21 cites·22 claims
- 1185US3935015ASilver halide color photographic materials containing 3-anilino-5-pyrazolane couplersFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jan 27, 1976·15 cites·9 claims
- 1284US4163670AColor photographic materialFUJI PHOTO FILM CO LTD·Filed 1974·Granted Aug 7, 1979·28 cites·11 claims
- 1383US4076533ASilver halide emulsion containing two-equivalent couplerFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 28, 1978·17 cites·13 claims
- 1473US4072525ASilver halide photographic material containing two-equivalent color couplerFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 7, 1978·8 cites·27 claims
- 1564US4083721APhotographic phenolic couplers with amido coupling-off groupsFUJI PHOTO FILM CO LTD·Filed 1976·Granted Apr 11, 1978·7 cites·14 claims
- 1658US4046573AColor photographic materialsFUJI PHOTO FILM CO LTD·Filed 1976·Granted Sep 6, 1977·6 cites·15 claims
- 1753US4342818AProcess for forming color filterFUJI PHOTO FILM CO LTD·Filed 1980·Granted Aug 3, 1982·6 cites·6 claims
- 1852US4288532AColor photographic materials containing cyan color-forming couplersFUJI PHOTO FILM CO LTD·Filed 1980·Granted Sep 8, 1981·6 cites·9 claims
- 1944US3960571ASilver halide color photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jun 1, 1976·5 cites·9 claims
- 2038US4345025AColor photographic silver halide light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1981·Granted Aug 17, 1982·2 cites·28 claims
- 2137US4294918AColor photographic silver halide light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 13, 1981·2 cites·16 claims
- 2236US4264722ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1979·Granted Apr 28, 1981·1 cites·21 claims
- 2331US4282312AColor image forming processFUJI PHOTO FILM CO LTD·Filed 1979·Granted Aug 4, 1981·0 cites·5 claims
- 2431US4032345ASilver halide materials containing photographic color couplers with isothiocyanato groupsFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jun 28, 1977·0 cites·12 claims
- 2528US4796124AInformation recording and reproducing apparatusTOSHIBA KK·Filed 1987·Granted Jan 3, 1989·2 cites·15 claims
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