Inventor
KOJIMA TAMOTSU
20 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA TAMOTSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
14 patentsUS4314023AFeb 2, 1982
Photographic silver halide materials containing yellow coupler
KONISHIROKU PHOTO IND22 citations82
US4275148AJun 23, 1981
Light-sensitive silver halide color photographic materials
KONISHIROKU PHOTO IND24 citations82
US3973968AAug 10, 1976
Photographic acyl acetanilide color couplers with 2,5-dioxo-1-imidazolidinyl coupling off groups
KONISHIROKU PHOTO IND30 citations82
US4070191AJan 24, 1978
Silver halide emulsion containing colored magenta coupler for photography
KONISHIROKU PHOTO IND19 citations81
US4189321AFeb 19, 1980
Process for forming magenta dye images
KONISHIROKU PHOTO IND23 citations79
US4289847ASep 15, 1981
Method of forming dye image
KONISHIROKU PHOTO IND19 citations74
US4057432ANov 8, 1977
Acylacetanilide coupler with heterocyclic diacyl amino coupling-off group
KONISHIROKU PHOTO IND11 citations73
US4012258AMar 15, 1977
Process for forming color photographic images
KONISHIROKU PHOTO IND9 citations73
US4356258AOct 26, 1982
Silver halide color photographic material containing yellow coupler
KONISHIROKU PHOTO IND13 citations72
US4009035AFeb 22, 1977
Process for forming cyan dye photographic images
KONISHIROKU PHOTO IND12 citations70
US4960686AOct 2, 1990
Silver halide photographic light-sensitive material containing oxonol dye
KONISHIROKU PHOTO IND5 citations62
US4304845ADec 8, 1981
Silver halide photographic materials containing photographic yellow coupler
KONISHIROKU PHOTO IND4 citations61
US4008086AFeb 15, 1977
Silver halide emulsion containing photographic yellow coupler
KONISHIROKU PHOTO IND5 citations58
US5041667AAug 20, 1991
Process for producing chlorophenylhydrazine compounds
KONISHIROKU PHOTO IND0 citations52
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
6 patentsUS4728392AMar 1, 1988
Ink jet printer and method for fabricating a nozzle member
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD157 citations98
US4527175AJul 2, 1985
Ink supply system for nonimpact printers
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD66 citations96
US4746938AMay 24, 1988
Ink jet recording apparatus with head washing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD75 citations93
US4801955AJan 31, 1989
Ink jet printer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US4764780AAug 16, 1988
Ink ejection recording apparatus having means for equalizing the static ink pressures of a plurality of ink nozzles arranged at different heights
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations79
US4801954AJan 31, 1989
Ink jet printer
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73