Inventor · disambiguated record
Harumi Katsuyama
Also filed as: KATSUYAMA HARUMI · MASUDA TAKAO
38 granted patents·1,115 citations·filing 1974–1995
98Inventor score
Top patents by PatentIndex Score
38 records- 0199US4283475APentamethine thiopyrylium salts, process for production thereof, and photoconductive compositions containing said saltsFUJI PHOTO FILM CO LTD·Filed 1980·Granted Aug 11, 1981·151 cites·29 claims
- 0294US5198335AIntegral multilayer analytical element for analysis of ammonia-forming substrateFUJI PHOTO FILM CO LTD·Filed 1990·Granted Mar 30, 1993·91 cites·7 claims
- 0393US4418037AColor indicator composition and film for detecting hydrogen peroxideFUJI PHOTO FILM CO LTD·Filed 1982·Granted Nov 29, 1983·196 cites·17 claims
- 0492US4548906AIntegral multilayer analytical element for the analysis of ammonia or an ammonia forming substrate and a method for the detection thereof using the sameFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 22, 1985·68 cites·6 claims
- 0591US4170480AThermally developable light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1977·Granted Oct 9, 1979·28 cites·9 claims
- 0690US4452887AIntegral multi-layered element containing glucose oxidase for determining glucoseFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jun 5, 1984·59 cites·4 claims
- 0790US3933500AColor photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jan 20, 1976·39 cites·11 claims
- 0889US4781890AMultilayer chemical analytical elementFUJI PHOTO FILM CO LTD·Filed 1987·Granted Nov 1, 1988·52 cites·6 claims
- 0988US4273861AMultilayer color photographic materials utilizing an interlayer correction couplerFUJI PHOTO FILM CO LTD·Filed 1976·Granted Jun 16, 1981·19 cites·11 claims
- 1083US4343948A2,6-Di-tert-butyl-4-methyl thiopyrylium saltFUJI PHOTO FILM CO LTD·Filed 1980·Granted Aug 10, 1982·13 cites·7 claims
- 1181US4315983A2,6-Di-tert-butyl-4-substituted thiopyrylium salt, process for production of same, and a photoconductive composition containing sameFUJI PHOTO FILM CO LTD·Filed 1980·Granted Feb 16, 1982·21 cites·47 claims
- 1279US5183741AIntegral multilayer element for glucose analysisFUJI PHOTO FILM CO LTD·Filed 1990·Granted Feb 2, 1993·74 cites·5 claims
- 1378US4478942AQuantitative analysis film and a method for colorimetric analysis using the sameFUJI PHOTO FILM CO LTD·Filed 1982·Granted Oct 23, 1984·35 cites·18 claims
- 1471US4786595AAnalytical element for analysis of an analyteFUJI PHOTO FILM CO LTD·Filed 1986·Granted Nov 22, 1988·29 cites·8 claims
- 1570US4721670AAnalytical reagent, analytical method, and multilayer chemical-analytical elementFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jan 26, 1988·28 cites·17 claims
- 1669US4671937AMultilayer analytical elementFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jun 9, 1987·22 cites·13 claims
- 1765US4503145AQuantitative analysis filmFUJI PHOTO FILM CO LTD·Filed 1982·Granted Mar 5, 1985·18 cites·7 claims
- 1864US4900665AIntegral multilayer analytical element for use in the measurement of alkaline phosphatase activityFUJI PHOTO FILM CO LTD·Filed 1988·Granted Feb 13, 1990·22 cites·7 claims
- 1958US4839278AIntegral multilayer analytical element for measurement of alkaline phosphatase activityFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jun 13, 1989·17 cites·12 claims
- 2057US5186894ADry analysis element for the analysis of iron ionsFUJI PHOTO FILM CO LTD·Filed 1991·Granted Feb 16, 1993·19 cites·10 claims
- 2157US4889797ADry analytical element having a spread control area for assaying enzyme activityFUJI PHOTO FILM CO LTD·Filed 1987·Granted Dec 26, 1989·16 cites·11 claims
- 2253US4897347AMultilayer analysis film for analyzing transaminaseFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jan 30, 1990·15 cites·15 claims
- 2350US4125403AHeat developable light sensitive materialFUJI PHOTO FILM CO LTD·Filed 1977·Granted Nov 14, 1978·4 cites·11 claims
- 2447US5508173AAnalytical element for measurements of enzyme activityFUJI PHOTO FILM CO LTD·Filed 1995·Granted Apr 16, 1996·13 cites·10 claims
- 2547US5066462AAnalytical element for measuring enzyme activityFUJI PHOTO FILM CO LTD·Filed 1989·Granted Nov 19, 1991·11 cites·15 claims
- 2646US4604347AAnalytical element for dry analysisFUJI PHOTO FILM CO LTD·Filed 1984·Granted Aug 5, 1986·9 cites·10 claims
- 2744US5077011ADry analytical element containing self-developing substrate for use in analysis of liquidFUJI PHOTO FILM CO LTD·Filed 1986·Granted Dec 31, 1991·11 cites·11 claims
- 2842USH930HDry-type glucose analyzing elementFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jun 4, 1991·6 cites·11 claims
- 2941US4916059AReagent sheet and integral multilayer analytical element for measurement of GGT activityFUJI PHOTO FILM CO LTD·Filed 1986·Granted Apr 10, 1990·5 cites·15 claims
- 3040US4389474AThiopyrylium compounds and photoconductive compositions containing said compoundsFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jun 21, 1983·3 cites·8 claims
- 3139US4435362AIntegral multilayer analytical element for the assay of total proteinFUJI PHOTO FILM CO LTD·Filed 1982·Granted Mar 6, 1984·6 cites·7 claims
- 3238US5006458AAnalytical element having a polyacrylamide or derivative to minimize background for assaying enzyme activityFUJI PHOTO FILM CO LTD·Filed 1987·Granted Apr 9, 1991·6 cites·16 claims
- 3335US4902477AAnnalytical element for quantitative analysis of bilirubinFUJI PHOTO FILM CO LTD·Filed 1988·Granted Feb 20, 1990·5 cites·4 claims
- 3435US3930851AElectrophotographic process using methylene indoline photoconductive derivativesFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jan 6, 1976·2 cites·8 claims
- 3533US3961960AMultilayer color photographic materialsFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jun 8, 1976·1 cites·11 claims
- 3631US4469864AThiopyrylium compounds and photoconductive compositions containing said compoundsFUJI PHOTO FILM CO LTD·Filed 1982·Granted Sep 4, 1984·0 cites·1 claims
- 3730US3944556ASpiro-pyrazoline derivatives and method for the production thereofFUJI PHOTO FILM CO LTD·Filed 1974·Granted Mar 16, 1976·0 cites·4 claims
- 3824USH791HMultilayer analytical element for quantitative analysis of bilirubinKATSUYAMA HARUMI·Filed 1987·Granted Jun 5, 1990·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →