Inventor · disambiguated record
Hiroharu Matsukawa
Also filed as: MATSUKAWA HIROHARU
43 granted patents·1,279 citations·filing 1973–1985
98Inventor score
Files withFUJI PHOTO FILM CO LTD43
Top patents by PatentIndex Score
43 records- 0199US4251386AMethod for preparing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1978·Granted Feb 17, 1981·145 cites·18 claims
- 0298US3956172AProcess for hardening microcapsules containing hydrophobic oil dropletsFUJI PHOTO FILM CO LTD·Filed 1973·Granted May 11, 1976·115 cites·6 claims
- 0397US4073968AMethod for desensitization of a color developerFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 14, 1978·81 cites·11 claims
- 0494US4356109AMethod for preparing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 26, 1982·63 cites·15 claims
- 0594US4221710AProcess for preparing microcapsules by polymerization of urea and formaldehyde in the presence of gum arabicFUJI PHOTO FILM CO LTD·Filed 1979·Granted Sep 9, 1980·60 cites·16 claims
- 0694US3965033AProcess for the production of oil-containing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jun 22, 1976·97 cites·19 claims
- 0793US4342739ANovel material for immunological assay of biochemical components and a process for the determination of said componentsFUJI PHOTO FILM CO LTD·Filed 1980·Granted Aug 3, 1982·82 cites·37 claims
- 0891US4353809AProcess for the production of microcapsulesFUJI PHOTO FILM CO LTD·Filed 1980·Granted Oct 12, 1982·42 cites·7 claims
- 0990US4016098AProcess for hardening microcapsulesFUJI PHOTO FILM CO LTD·Filed 1974·Granted Apr 5, 1977·41 cites·12 claims
- 1090US3952129ACoated pressure sensitive copying paperFUJI PHOTO FILM CO LTD·Filed 1973·Granted Apr 20, 1976·48 cites·6 claims
- 1189US4002060APressure measurement sheet and method of using the sameFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 11, 1977·38 cites·9 claims
- 1288US4021595APressure sensitive recording sheetFUJI PHOTO FILM CO LTD·Filed 1975·Granted May 3, 1977·46 cites·9 claims
- 1384US4415633AHeat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1981·Granted Nov 15, 1983·39 cites·3 claims
- 1483US3996156AProduction of microcapsulesFUJI PHOTO FILM CO LTD·Filed 1974·Granted Dec 7, 1976·29 cites·14 claims
- 1582US4062799AMethod of forming microcapsule films having low porosityFUJI PHOTO FILM CO LTD·Filed 1976·Granted Dec 13, 1977·32 cites·17 claims
- 1681US4101690ADesensitizing compositionFUJI PHOTO FILM CO LTD·Filed 1974·Granted Jul 18, 1978·32 cites·11 claims
- 1777US4650769AMicrocapsules for immune responseFUJI PHOTO FILM CO LTD·Filed 1984·Granted Mar 17, 1987·30 cites·16 claims
- 1877US4590170AProcess for preparing microcapsule reagents for immunological responseFUJI PHOTO FILM CO LTD·Filed 1981·Granted May 20, 1986·30 cites·13 claims
- 1975US4593298AHeat-sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jun 3, 1986·18 cites·20 claims
- 2074US3955026APressure-sensitive recording sheetFUJI PHOTO FILM CO LTD·Filed 1974·Granted May 4, 1976·21 cites·9 claims
- 2171US4132112APressure-measuring sheetFUJI PHOTO FILM CO LTD·Filed 1977·Granted Jan 2, 1979·18 cites·24 claims
- 2267US4041193AMethod for fanning each set of multi-ply sheetsFUJI PHOTO FILM CO LTD·Filed 1974·Granted Aug 9, 1977·10 cites·8 claims
- 2365US4147830ARecording sheetFUJI PHOTO FILM CO LTD·Filed 1977·Granted Apr 3, 1979·16 cites·14 claims
- 2464US3955025APressure-sensitive copying sheetFUJI PHOTO FILM CO LTD·Filed 1974·Granted May 4, 1976·15 cites·7 claims
- 2562US4263047AColor developing inkFUJI PHOTO FILM CO LTD·Filed 1979·Granted Apr 21, 1981·13 cites·12 claims
- 2662US4012538AMethod of forming color images employing desensitizing agentsFUJI PHOTO FILM CO LTD·Filed 1975·Granted Mar 15, 1977·15 cites·13 claims
- 2759US4539578AHeat sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1984·Granted Sep 3, 1985·8 cites·6 claims
- 2858US4583103AHeat-sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1985·Granted Apr 15, 1986·15 cites·8 claims
- 2955US4460626AHeat-sensitive recording materialFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jul 17, 1984·6 cites·3 claims
- 3052US4418942AMicrocapsule sheet for pressure-sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1981·Granted Dec 6, 1983·11 cites·15 claims
- 3148US4333984AHeat-sensitive recording sheetsFUJI PHOTO FILM CO LTD·Filed 1980·Granted Jun 8, 1982·10 cites·12 claims
- 3248US4022624ADesensitizer compositionFUJI PHOTO FILM CO LTD·Filed 1975·Granted May 10, 1977·8 cites·16 claims
- 3348US4007310AMethod of desensitization using desensitizing compositionFUJI PHOTO FILM CO LTD·Filed 1975·Granted Feb 8, 1977·9 cites·9 claims
- 3447US4337280ADesensitizer compositionFUJI PHOTO FILM CO LTD·Filed 1980·Granted Jun 29, 1982·7 cites·6 claims
- 3540US4471073AHeat-sensitive recording materialsFUJI PHOTO FILM CO LTD·Filed 1982·Granted Sep 11, 1984·3 cites·14 claims
- 3639US4576831AProcess for producing heat-sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1983·Granted Mar 18, 1986·6 cites·3 claims
- 3738US4447487AHeat-sensitive recording papersFUJI PHOTO FILM CO LTD·Filed 1982·Granted May 8, 1984·5 cites·8 claims
- 3836US4069353AProcess for producing developer sheet for pressure-sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1975·Granted Jan 17, 1978·4 cites·12 claims
- 3936US3944502AProcess for preparing microcapsules containing hydrophobic oil dropsFUJI PHOTO FILM CO LTD·Filed 1973·Granted Mar 16, 1976·3 cites·5 claims
- 4033US3970585AProcess for preparing oil-containing microcapsulesFUJI PHOTO FILM CO LTD·Filed 1973·Granted Jul 20, 1976·5 cites·7 claims
- 4132US4489337AHeat-sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1983·Granted Dec 18, 1984·1 cites·7 claims
- 4231US4614955AHeat sensitive recording paperFUJI PHOTO FILM CO LTD·Filed 1984·Granted Sep 30, 1986·1 cites·5 claims
- 4331US4460199AMicrocapsule coated sheet for pressure sensitive copying paperFUJI PHOTO FILM CO LTD·Filed 1982·Granted Jul 17, 1984·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →