Inventor
OHTANI HIROFUMI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “OHTANI HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
14 patentsUS5041366AAug 20, 1991
Silver halide photographic material
KONISHIROKU PHOTO IND22 citations89
US5200308AApr 6, 1993
Color photographic material
KONISHIROKU PHOTO IND9 citations73
US4704351ANov 3, 1987
Dye sensitized light-sensitive core/shell silver halide photographic material
KONISHIROKU PHOTO IND8 citations73
US5362470ANov 8, 1994
Ultrafine gold and/or silver chalcogenide and production thereof
KONISHIROKU PHOTO IND7 citations71
US5334359AAug 2, 1994
Apparatus for production of sparingly water-soluble salt crystal grains
KONISHIROKU PHOTO IND12 citations71
US5523202AJun 4, 1996
Silver halide emulsion and process for its preparation
KONISHIROKU PHOTO IND2 citations62
US4996140AFeb 26, 1991
Silver halide photographic material
KONISHIROKU PHOTO IND2 citations62
US4701405AOct 20, 1987
Dye-sensitized light-sensitive core/shell silver halide photographic material
KONISHIROKU PHOTO IND5 citations62
US5362619ANov 8, 1994
High-speed halide photographic light-sensitive material
KONISHIROKU PHOTO IND2 citations61
US5358841AOct 25, 1994
Method for preparing a silver halide emulsion
KONISHIROKU PHOTO IND3 citations61
US5039601AAug 13, 1991
Silver halide emulsions with silver halide grain groups of different desensitizing agent content
KONISHIROKU PHOTO IND6 citations61
US5518874AMay 21, 1996
Method of manufacturing a silver halide emulsion
KONISHIROKU PHOTO IND0 citations51
US5541052AJul 30, 1996
Silver halide photographic material having improved keeping quality
KONISHIROKU PHOTO IND0 citations50
US5340710AAug 23, 1994
Photosensitive silver halide photographic material
KONISHIROKU PHOTO IND0 citations39