Inventor
IKEGAWA AKIHIKO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “IKEGAWA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
30 patentsUS4724201AFeb 9, 1988
Photoresponsive material
FUJI PHOTO FILM CO LTD63 citations96
US4960683AOct 2, 1990
Method for processing a black-and-white photosensitive material
FUJI PHOTO FILM CO LTD32 citations86
US4659651AApr 21, 1987
Silver halide photographic materials containing a blocked photographic reagent
FUJI PHOTO FILM CO LTD21 citations82
US5604089AFeb 18, 1997
Silver halide photographic material
FUJI PHOTO FILM CO LTD8 citations74
US5476945ADec 19, 1995
Water-soluble methine derivatives of thiazole
FUJI PHOTO FILM CO LTD13 citations74
US4892811AJan 9, 1990
Silver halide photographic material
FUJI PHOTO FILM CO LTD10 citations74
US4690885ASep 1, 1987
Silver halide photographic material
FUJI PHOTO FILM CO LTD15 citations74
US4578345AMar 25, 1986
Method for processing color photographic light-sensitive material
FUJI PHOTO FILM CO LTD13 citations74
US4518685AMay 21, 1985
Silver halide photographic light-sensitive material
FUJI PHOTO FILM CO LTD16 citations74
US5618831AApr 8, 1997
Composition and method for treating cancer
FUJI PHOTO FILM CO LTD15 citations73
US5272044ADec 21, 1993
Silver halide photographic material and processing solution and process for the processing thereof
FUJI PHOTO FILM CO LTD13 citations73
US5308748AMay 3, 1994
Silver halide photographic light-sensitive material
FUJI PHOTO FILM CO LTD11 citations70
US5290676AMar 1, 1994
Silver halide photographic light-sensitive material
FUJI PHOTO FILM CO LTD14 citations70
US5294532AMar 15, 1994
Silver halide photographic material and method of processing the same
FUJI PHOTO FILM CO LTD5 citations63
US5108888AApr 28, 1992
Dye sensitized silver halide photographic material
FUJI PHOTO FILM CO LTD4 citations63
US5008181AApr 16, 1991
Silver halide photographic materials
FUJI PHOTO FILM CO LTD5 citations63
US4965181AOct 23, 1990
Heat-developable light-sensitive material comprising a sensitizing dye
FUJI PHOTO FILM CO LTD2 citations63
US4906553AMar 6, 1990
Processing process for silver halide black and white photographic materials
FUJI PHOTO FILM CO LTD5 citations63
US5437972AAug 1, 1995
Silver halide photographic material
FUJI PHOTO FILM CO LTD4 citations62
US5422238AJun 6, 1995
Silver halide photographic material
FUJI PHOTO FILM CO LTD6 citations62
US5391475AFeb 21, 1995
Silver halide color photographic photosensitive materials
FUJI PHOTO FILM CO LTD2 citations62
US5384234AJan 24, 1995
Silver halide color photographic photosensitive materials
FUJI PHOTO FILM CO LTD2 citations62
US5364755ANov 15, 1994
Silver halide photographic light-sensitive material
FUJI PHOTO FILM CO LTD5 citations62
US5310645AMay 10, 1994
Silver halide photographic material
FUJI PHOTO FILM CO LTD3 citations62
US5198332AMar 30, 1993
Silver halide photographic emulsion
FUJI PHOTO FILM CO LTD6 citations62
US4970141ANov 13, 1990
Silver halide photographic emulsion
FUJI PHOTO FILM CO LTD6 citations62
US4889796ADec 26, 1989
Silver halide photographic emulsion
FUJI PHOTO FILM CO LTD5 citations62
US5213952AMay 25, 1993
Method of forming positive color image
FUJI PHOTO FILM CO LTD4 citations61
US5338656AAug 16, 1994
Silver halide photographic material
FUJI PHOTO FILM CO LTD1 citations52
US5097042AMar 17, 1992
Water-soluble benzimidazolotriazole derivative or salt thereof
FUJI PHOTO FILM CO LTD0 citations52