Inventor
AKIMURA YOSHITAKA
JP15 patents
Patents
15 patentsUS4385108AMay 24, 1983
Method of forming negative dot images
FUJI PHOTO FILM CO LTD35 citations92
US4323643AApr 6, 1982
Silver halide photographic light-sensitive materials
FUJI PHOTO FILM CO LTD39 citations92
US4272606AJun 9, 1981
Method of forming a high-contrast photographic image
FUJI PHOTO FILM CO LTD32 citations92
US4224401ASep 23, 1980
Silver halide photographic emulsions and image forming process
FUJI PHOTO FILM CO LTD47 citations92
US4221857ASep 9, 1980
Process for producing a high contrast photographic image
FUJI PHOTO FILM CO LTD36 citations92
US4168977ASep 25, 1979
Silver halide photographic emulsion
FUJI PHOTO FILM CO LTD39 citations92
US4332878AJun 1, 1982
Photographic image-forming method
FUJI PHOTO FILM CO LTD27 citations82
US4311781AJan 19, 1982
Highly-sensitive high-contrast photographic materials
FUJI PHOTO FILM CO LTD20 citations82
US4243739AJan 6, 1981
Silver halide photographic light-sensitive material
FUJI PHOTO FILM CO LTD26 citations82
US4241164ADec 23, 1980
Highly-sensitive high-contrast photographic materials
FUJI PHOTO FILM CO LTD19 citations82
US4452882AJun 5, 1984
Silver halide photographic materials and process of developing them
FUJI PHOTO FILM CO LTD24 citations80
US4520099AMay 28, 1985
Silver halide photographic light-sensitive materials
FUJI PHOTO FILM CO LTD6 citations74
US4166742ASep 4, 1979
Contrasty light-sensitive silver halide material containing a hydrazine derivative and a heterocyclic mercaptan
FUJI PHOTO FILM CO LTD19 citations74
US4377634AMar 22, 1983
Method for forming high contrast photographic image
FUJI PHOTO FILM CO LTD19 citations73
US4237214ADec 2, 1980
Process for forming contrasty image
FUJI PHOTO FILM CO LTD20 citations73