Inventor
TSUDA YASUO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “TSUDA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
11 patentsUS4818672AApr 4, 1989
Silver halide color photographic light-sensitive material improved in cyan image characteristics
KONISHIROKU PHOTO IND26 citations92
US4193800AMar 18, 1980
Photographic dye mordant
KONISHIROKU PHOTO IND34 citations91
US4788284ANov 29, 1988
Diphenylimidazole type dyes
KONISHIROKU PHOTO IND8 citations73
US4528263AJul 9, 1985
Light-sensitive silver halide color photographic material
KONISHIROKU PHOTO IND12 citations73
US4463086AJul 31, 1984
Light-sensitive silver halide color photographic material
KONISHIROKU PHOTO IND7 citations73
US4458012AJul 3, 1984
Light-sensitive silver halide color photographic material
KONISHIROKU PHOTO IND12 citations73
US4450228AMay 22, 1984
Light-sensitive silver halide color photographic material
KONISHIROKU PHOTO IND7 citations73
US4434225AFeb 28, 1984
Light-sensitive silver halide color photographic material
KONISHIROKU PHOTO IND15 citations73
US4145218AMar 20, 1979
Process for developing light-sensitive silver halide photographic materials
KONISHIROKU PHOTO IND3 citations62
US4234671ANov 18, 1980
Color diffusion transfer dye mordant
KONISHIROKU PHOTO IND6 citations61
US4532202AJul 30, 1985
Coupler for photography
KONISHIROKU PHOTO IND1 citations52