Inventor
TOSAKA YASUO
JP21 patents
Patents
21 patentsUS4268621AMay 19, 1981
Direct positive photographic material
KONISHIROKU PHOTO IND22 citations82
US4769315ASep 6, 1988
Silver halide grain and light-sensitive photographic material containing said silver halide grain
KONISHIROKU PHOTO IND7 citations73
US5486450AJan 23, 1996
Silver halide color photographic light sensitive material and the image-forming process thereof
KONISHIROKU PHOTO IND7 citations72
US5382506AJan 17, 1995
Silver halide color photographic light sensitive material and the image-forming process thereof
KONISHIROKU PHOTO IND9 citations72
US5480767AJan 2, 1996
Silver halide color photographic light-sensitive material and image-forming process
KONISHIROKU PHOTO IND8 citations71
US4749644AJun 7, 1988
Photographic material with two size population of silver halide grains and development inhibiting agent in an emulsion layer
KONISHIROKU PHOTO IND11 citations71
US5436116AJul 25, 1995
Silver halide color photographic photosensitive material and color proof preparation process
KONISHIROKU PHOTO IND7 citations70
US6096490AAug 1, 2000
Silver halide light sensitive color photographic material and process for preparing color proof
KONISHIROKU PHOTO IND3 citations62
US4758504AJul 19, 1988
Silver halide grains, light-sensitive photographic material containing the same and method for preparing silver halide photographic emulsion containing the same
KONISHIROKU PHOTO IND5 citations62
US4440851AApr 3, 1984
Method for the formation of a direct positive image
KONISHIROKU PHOTO IND6 citations62
US4279987AJul 21, 1981
Light-sensitive, direct positive silver halide photographic material
KONISHIROKU PHOTO IND5 citations62
US5492797AFeb 20, 1996
Direct positive silver halide color photographic light-sensitive material
KONISHIROKU PHOTO IND5 citations61
US4943518AJul 24, 1990
Direct-positive silver halide photographic light-sensitive material and method of processing it
KONISHIROKU PHOTO IND2 citations60
US4917991AApr 17, 1990
Direct positive silver halide photographic material
KONISHIROKU PHOTO IND3 citations60
US5541040AJul 30, 1996
Positive type color light sensitive material and the image forming process therefor
KONISHIROKU PHOTO IND4 citations57
US4990432AFeb 5, 1991
Silver halide photographic light-sensitive material having a reflective base and an antihalation layer having a specified thickness
KONISHIROKU PHOTO IND5 citations57
US4939078AJul 3, 1990
Direct positive-type silver halide light-sensitive photographic material
KONISHIROKU PHOTO IND6 citations57
US5436117AJul 25, 1995
Positive type silver halide color photographic light-sensitive material for color proofing use
KONISHIROKU PHOTO IND2 citations56
US5462844AOct 31, 1995
Light-sensitive silver halide color photographic material and process for preparing color proof
KONISHIROKU PHOTO IND1 citations51
US4863838ASep 5, 1989
Direct positive type light-sensitive silver halide photographic materials
KONISHIROKU PHOTO IND0 citations51
US5981154ANov 9, 1999
Silver halide color photographic light-sensitive material
KONISHIROKU PHOTO IND0 citations39