Inventor · disambiguated record
Isamu Itoh
Also filed as: ITOH ISAMU · MORITA YASUYUKI
44 granted patents·749 citations·filing 1977–2010
98Inventor score
Top patents by PatentIndex Score
44 records- 0198US4845020AMethod of processing silver halide photographic material using an organic compound which loses its development restraining function by reaction with an oxidized developerFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jul 4, 1989·59 cites·11 claims
- 0297US4359524AHeat developable photosensitive materialFUJI PHOTO FILM CO LTD·Filed 1981·Granted Nov 16, 1982·68 cites·13 claims
- 0395US4525450ASilver halide color photographic light sensitive material containing a coupler containing at least one of a sulfamoylphenylenesulfonyl, sulfamoylaminophenylenesulfonyl, or sulfoamidophenylenesulfonyl groupITOH ISAMU·Filed 1984·Granted Jun 25, 1985·56 cites·7 claims
- 0491US4831152A5-halo-6-nitro-2-substituted benzoxazole compoundsFUJI PHOTO FILM CO LTD·Filed 1985·Granted May 16, 1989·33 cites·18 claims
- 0590US5612840AMagnetic spring arm assembly including structure for preventing damage to a conductive layer resulting from bendingFUJITSU LTD·Filed 1994·Granted Mar 18, 1997·68 cites·11 claims
- 0689US4740453ASilver halide photosensitive material containing a compound capable of releasing a photographically useful groupFUJI PHOTO FILM CO LTD·Filed 1985·Granted Apr 26, 1988·23 cites·16 claims
- 0789US4554243ASilver halide material with photographic agent blocked by nucleophilic attack removable groupFUJI PHOTO FILM CO LTD·Filed 1984·Granted Nov 19, 1985·21 cites·36 claims
- 0889US4546075AHeat-developable photographic materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Oct 8, 1985·24 cites·31 claims
- 0987US5180652ALight- and heat-sensitive composition, and recording materialFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jan 19, 1993·73 cites·11 claims
- 1086US4452885AHeat-developable photographic materialFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jun 5, 1984·20 cites·18 claims
- 1184US4508816AMethod for bleaching color photosensitive materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Apr 2, 1985·15 cites·23 claims
- 1283US4550070ADirect positive silver halide photographic light-sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 29, 1985·14 cites·9 claims
- 1379US4734353AMethods using oximes for processing a silver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1986·Granted Mar 29, 1988·14 cites·17 claims
- 1478US4166509AProcess for excavating and constructing tunnel and excavating deviceJAPAN NATIONAL RAILWAY·Filed 1978·Granted Sep 4, 1979·17 cites·4 claims
- 1576US4743595AProcess for preparing 2-amino-5-nitrophenol derivativesFUJI PHOTO FILM CO LTD·Filed 1985·Granted May 10, 1988·12 cites·17 claims
- 1676US4506007AMethod for processing color photographic materialsFUJI PHOTO FILM CO LTD·Filed 1984·Granted Mar 19, 1985·16 cites·9 claims
- 1776US4292401ABleaching composition for photographic processingFUJI PHOTO FILM CO LTD·Filed 1980·Granted Sep 29, 1981·15 cites·28 claims
- 1871US4376162AHeat-developable photosensitive material with antihalation layerFUJI PHOTO FILM CO LTD·Filed 1981·Granted Mar 8, 1983·13 cites·23 claims
- 1970US4310622APhotographic development processFUJI PHOTO FILM CO LTD·Filed 1980·Granted Jan 12, 1982·12 cites·8 claims
- 2068US4724199ASilver halide photographic light sensitive materialsFUJI PHOTO FILM CO LTD·Filed 1985·Granted Feb 9, 1988·8 cites·11 claims
- 2168US4293639ABleaching compositions for photographic processingFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 6, 1981·11 cites·18 claims
- 2267US4371610AProcess for development-processing silver halide light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1981·Granted Feb 1, 1983·10 cites·8 claims
- 2366US4250246APhotographic light-sensitive sheet for the color diffusion transfer processFUJI PHOTO FILM CO LTD·Filed 1979·Granted Feb 10, 1981·5 cites·13 claims
- 2465US4439519ASilver-halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Mar 27, 1984·5 cites·18 claims
- 2564US7161022B2Process for producing 4-phenyl-4-oxo-2-butenoic ester derivativeMEIJI SEIKA KAISHA·Filed 2003·Granted Jan 9, 2007·3 cites·6 claims
- 2664US4711837ASilver halide color photographic materialFUJI PHOTO FILM CO LTD·Filed 1985·Granted Dec 8, 1987·7 cites·46 claims
- 2763US4358526APhotographic light-sensitive sheet for the color diffusion transfer processFUJI PHOTO FILM CO LTD·Filed 1981·Granted Nov 9, 1982·7 cites·22 claims
- 2861US4139320AProcess for excavating and constructing tunnel and excavating deviceJAPAN NATIONAL RAILWAY·Filed 1977·Granted Feb 13, 1979·10 cites·1 claims
- 2960US4734357ASilver halide color light sensitive materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Mar 29, 1988·5 cites·12 claims
- 3058US4888268ASilver halide photographic materials comprising blocked photographic reagants releasing plug groupsFUJI PHOTO FILM CO LTD·Filed 1988·Granted Dec 19, 1989·18 cites·22 claims
- 3158US4618563APhotographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 21, 1986·7 cites·34 claims
- 3257US4629683AProcessing silver halide photographic material with blocked agent and hydroxylamineFUJI PHOTO FILM CO LTD·Filed 1984·Granted Dec 16, 1986·16 cites·14 claims
- 3357US4483919ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Nov 20, 1984·7 cites·9 claims
- 3456US4842985ASilver halide color photographic materialFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jun 27, 1989·6 cites·30 claims
- 3556US4554246APhotographic silver halide light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Nov 19, 1985·3 cites·11 claims
- 3654US4522917APhotographic silver halide light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1983·Granted Jun 11, 1985·14 cites·16 claims
- 3753US4500632AProcess for stabilizing silver imagesFUJI PHOTO FILM CO LTD·Filed 1984·Granted Feb 19, 1985·7 cites·6 claims
- 3851US8288374B2Medicinal composition containing benzo[a]phenoxazine compound as the active ingredient for prevention or treatment of protozoal diseaseIHARA MASATAKA·Filed 2009·Granted Oct 16, 2012·0 cites·17 claims
- 3951US4628024ASilver halide color photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1986·Granted Dec 9, 1986·3 cites·19 claims
- 4045US4500636ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1984·Granted Feb 19, 1985·9 cites·25 claims
- 4145US4264710APhotopolymerizable compositions containing inhibitor compounds having thioureylene groupsFUJI PHOTO FILM CO LTD·Filed 1980·Granted Apr 28, 1981·7 cites·26 claims
- 4240US8471036B2Rhodacyanine derivative and pharmaceutical composition for treating leishmaniasisIHARA MASATAKA·Filed 2010·Granted Jun 25, 2013·0 cites·18 claims
- 4339US4772537ASilver halide photographic materials containing a photographic reagent precursorFUJI PHOTO FILM CO LTD·Filed 1986·Granted Sep 20, 1988·6 cites·23 claims
- 4436US4910128ASilver halide color photographic materialFUJI PHOTO FILM CO LTD·Filed 1988·Granted Mar 20, 1990·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →