Inventor · disambiguated record
Hisashi Okamura
Also filed as: OKAMURA HISASHI
71 granted patents·4 pending applications·536 citations·filing 1983–2024
99Inventor score
Files withFUJI PHOTO FILM CO LTD61SEIKO EPSON CORP8FUJIFILM CORP4ITO NIICHI1RENESAS ELECTRONICS CORP1
Top patents by PatentIndex Score
75 records- 0196US6146822AThermographic or photothermographic image recording elementsFUJI PHOTO FILM CO LTD·Filed 1998·Granted Nov 14, 2000·44 cites·17 claims
- 0296US4618573ASilver halide color photographic materialFUJI PHOTO FILM CO LTD·Filed 1985·Granted Oct 21, 1986·43 cites·19 claims
- 0395US6093529AImaging materialsFUJI PHOTO FILM CO LTD·Filed 1998·Granted Jul 25, 2000·27 cites·19 claims
- 0490US5498516ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Mar 12, 1996·19 cites·22 claims
- 0590US5418124ASilver halide photographic emulsion and a photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted May 23, 1995·20 cites·19 claims
- 0690US5057407ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1990·Granted Oct 15, 1991·20 cites·13 claims
- 0787US5389508ASilver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Feb 14, 1995·16 cites·8 claims
- 0887US5071736ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted Dec 10, 1991·17 cites·14 claims
- 0986US5279919ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jan 18, 1994·15 cites·13 claims
- 1085US4673632AHardening method for gelatinFUJI PHOTO FILM CO LTD·Filed 1985·Granted Jun 16, 1987·18 cites·16 claims
- 1183US5316890ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted May 31, 1994·13 cites·15 claims
- 1283US5213959ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted May 25, 1993·10 cites·2 claims
- 1382US5134055ASilver halide photographic materialsFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jul 28, 1992·12 cites·6 claims
- 1481US7919153B2Laminated structure, process of producing a liquid crystal cell substrate using the same, liquid crystal cell substrate, and liquid crystal display deviceFUJIFILM CORP·Filed 2007·Granted Apr 5, 2011·8 cites·12 claims
- 1580US4710456ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1985·Granted Dec 1, 1987·15 cites·8 claims
- 1677US12378426B2Ink jet ink compositionSEIKO EPSON CORP·Filed 2023·Granted Aug 5, 2025·0 cites·5 claims
- 1777US6274301B1Photothermographic recording elementsFUJI PHOTO FILM CO LTD·Filed 1998·Granted Aug 14, 2001·8 cites·9 claims
- 1877US5227284ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jul 13, 1993·10 cites·13 claims
- 1976US5482826AMethod for forming silver halide grains and a method for producing a silver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1994·Granted Jan 9, 1996·9 cites·25 claims
- 2076US5286598ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1992·Granted Feb 15, 1994·9 cites·9 claims
- 2174US2024392149A1Ink Jet Ink CompositionSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 2273US5527664AMethod of preparing silver halide photographic emulsion, emulsion, and light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Jun 18, 1996·8 cites·20 claims
- 2372US5204214ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted Apr 20, 1993·8 cites·14 claims
- 2470US2024287336A1Ink Jet Ink Composition And Recording MethodSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 2568US5124230ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jun 23, 1992·7 cites·12 claims
- 2667US12497528B2Aqueous ink jet ink composition and recording methodSEIKO EPSON CORP·Filed 2021·Granted Dec 16, 2025·0 cites·5 claims
- 2766US5275931ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jan 4, 1994·5 cites·3 claims
- 2865US5525460ASilver halide photographic emulsion and light-sensitive material using the sameFUJI PHOTO FILM CO LTD·Filed 1993·Granted Jun 11, 1996·6 cites·19 claims
- 2965US5478697AMethod for forming an imageFUJI PHOTO FILM CO LTD·Filed 1995·Granted Dec 26, 1995·5 cites·9 claims
- 3064US5672466AMethod for forming an image and silver halide photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1996·Granted Sep 30, 1997·9 cites·16 claims
- 3164US5278025AMethod for forming imagesFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jan 11, 1994·6 cites·3 claims
- 3262US8384185B2Semiconductor device and a method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2011·Granted Feb 26, 2013·2 cites·6 claims
- 3362US5061594AHigh contrast silver halide material containing novel hydrazine nucleating agentFUJI PHOTO FILM CO LTD·Filed 1990·Granted Oct 29, 1991·7 cites·9 claims
- 3461US4612280AHardened gelatin and method for hardening gelatinFUJI PHOTO FILM CO LTD·Filed 1985·Granted Sep 16, 1986·12 cites·23 claims
- 3560US4511644APhotographic elements with development inhibitor precursorFUJI PHOTO FILM CO LTD·Filed 1983·Granted Apr 16, 1985·16 cites·15 claims
- 3659US5580713ASilver halide color reversal photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1995·Granted Dec 3, 1996·4 cites·13 claims
- 3759US5187042ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1990·Granted Feb 16, 1993·5 cites·5 claims
- 3859US5028510ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1990·Granted Jul 2, 1991·6 cites·10 claims
- 3959US4584257APhotographic elements containing naphthylsulfonylethylthio heterocycle developement inhibitor precursorFUJI PHOTO FILM CO LTD·Filed 1985·Granted Apr 22, 1986·7 cites·9 claims
- 4057US11591489B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2019·Granted Feb 28, 2023·0 cites·12 claims
- 4157US4751173AProcess for hardening gelatinFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jun 14, 1988·4 cites·24 claims
- 4256US11447649B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2019·Granted Sep 20, 2022·0 cites·17 claims
- 4356US11384249B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2019·Granted Jul 12, 2022·0 cites·8 claims
- 4456US4897344AMethod of hardening gelatinFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jan 30, 1990·6 cites·10 claims
- 4555US11866596B2Aqueous ink jet compositionSEIKO EPSON CORP·Filed 2020·Granted Jan 9, 2024·0 cites·9 claims
- 4654US5340704AMethod for processing a silver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1993·Granted Aug 23, 1994·4 cites·18 claims
- 4753US5273859ASilver halide photographic material and image forming method using that materialFUJI PHOTO FILM CO LTD·Filed 1991·Granted Dec 28, 1993·15 cites·11 claims
- 4851US5196293ASilver halide photographic materialFUJI PHOTO FILM CO LTD·Filed 1992·Granted Mar 23, 1993·3 cites·14 claims
- 4951US4863841ASilver halide color photographic materialFUJI PHOTO FILM CO LTD·Filed 1989·Granted Sep 5, 1989·5 cites·13 claims
- 5050US4506002ADiffusion transfer photographic elements with polymer grafted pigmentFUJI PHOTO FILM CO LTD·Filed 1983·Granted Mar 19, 1985·5 cites·27 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →