Inventor
SAKAMOTO EIICHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
26 patentsUS4173483ANov 6, 1979
Silver halide photographic emulsions for use in flash exposure
KONISHIROKU PHOTO IND32 citations92
US4500631AFeb 19, 1985
Radiographic image forming process
KONISHIROKU PHOTO IND29 citations90
US4147542AApr 3, 1979
Silver halide photographic emulsions for use in flash exposure
KONISHIROKU PHOTO IND24 citations81
US4912026AMar 27, 1990
Light-sensitive silver halide photographic material feasible for rapid processing comprising high boiling solvent and gold compounds
KONISHIROKU PHOTO IND16 citations74
US4892807AJan 9, 1990
Silver halide photographic light-sensitive material excellent in treatment stability
KONISHIROKU PHOTO IND14 citations74
US4839263AJun 13, 1989
Method of forming dye image having superior rapid processing performance
KONISHIROKU PHOTO IND13 citations74
US4564588AJan 14, 1986
Silver halide photographic material for radiography
KONISHIROKU PHOTO IND9 citations73
US4242444ADec 30, 1980
Process for the preparation of light-sensitive silver halide photographic material
KONISHIROKU PHOTO IND7 citations73
US4252893AFeb 24, 1981
Light-sensitive silver halide photographic material
KONISHIROKU PHOTO IND18 citations72
US4192683AMar 11, 1980
Photographic light-sensitive material
KONISHIROKU PHOTO IND7 citations72
US4050940ASep 27, 1977
Process for the preparation of a photographic material
KONISHIROKU PHOTO IND10 citations70
US4963466AOct 16, 1990
Silver halide photographic light-sensitive material suitable for rapid processes comprising hydroquinone and an antifoggant
KONISHIROKU PHOTO IND5 citations63
US4741990AMay 3, 1988
Method for processing silver halide photographic light-sensitive materials
KONISHIROKU PHOTO IND5 citations63
US4299908ANov 10, 1981
Method for forming a negative image
KONISHIROKU PHOTO IND6 citations63
US4990438AFeb 5, 1991
Direct positive light-sensitive silver halide photographic material
KONISHIROKU PHOTO IND5 citations62
US4871658AOct 3, 1989
Silver halide photographic material that is resistant to fogging during storage
KONISHIROKU PHOTO IND5 citations62
US4725529AFeb 16, 1988
Developing inhibitor arrangment in light-sensitive silver halide color photographic materials
KONISHIROKU PHOTO IND6 citations62
US4145218AMar 20, 1979
Process for developing light-sensitive silver halide photographic materials
KONISHIROKU PHOTO IND3 citations62
US4038081AJul 26, 1977
Development method
KONISHIROKU PHOTO IND3 citations62
US4784938ANov 15, 1988
Silver halide photographic light-sensitive material
KONISHIROKU PHOTO IND5 citations60
US4121935AOct 24, 1978
Lith-type silver halide photographic light-sensitive material
KONISHIROKU PHOTO IND4 citations60
US4108668AAug 22, 1978
Light-sensitive silver halide photographic materials
KONISHIROKU PHOTO IND3 citations59
US4868102ASep 19, 1989
Direct positive silver halide light-sensitive photographic material
KONISHIROKU PHOTO IND2 citations56
US4400462AAug 23, 1983
Method for the formation of photographic images
KONISHIROKU PHOTO IND2 citations56
US4134767AJan 16, 1979
Silver halide photosensitive material for color photography
KONISHIROKU PHOTO IND1 citations49
US4042400AAug 16, 1977
Light-sensitive silver halide photographic material
KONISHIROKU PHOTO IND0 citations41