Inventor
OGI KEIJI
JP17 patents
Patents
17 patentsUS4268621AMay 19, 1981
Direct positive photographic material
KONISHIROKU PHOTO IND22 citations82
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
US4990438AFeb 5, 1991
Direct positive light-sensitive silver halide photographic material
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
US5449592ASep 12, 1995
Silver halide color photographic light sensitive material for color proof and method for preparing color proof using the same
KONISHIROKU PHOTO IND2 citations61
US5013633AMay 7, 1991
Method for developing a silver halide color photographic light-sensitive material for color proof using a specified color developing agent
KONISHIROKU PHOTO IND4 citations60
US4994345AFeb 19, 1991
Image forming method for forming a multicolor image from a half-tone dot exposure
KONISHIROKU PHOTO IND5 citations60
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
US4433049AFeb 21, 1984
Method for preparing a light-sensitive cuprous halide emulsion
KONISHIROKU PHOTO IND5 citations60
US4910130AMar 20, 1990
Direct positive light-sensitive silver halide photographic material
KONISHIROKU PHOTO IND2 citations59
US4840879AJun 20, 1989
Direct positive image-forming process
KONISHIROKU PHOTO IND3 citations59
US4868102ASep 19, 1989
Direct positive silver halide light-sensitive photographic material
KONISHIROKU PHOTO IND2 citations56
US4925780AMay 15, 1990
Direct positive silver halide light-sensitive color photographic material
KONISHIROKU PHOTO IND7 citations55
US4150993AApr 24, 1979
Process for forming a direct positive image
KONISHIROKU PHOTO IND5 citations54
US4863838ASep 5, 1989
Direct positive type light-sensitive silver halide photographic materials
KONISHIROKU PHOTO IND0 citations51