Inventor · disambiguated record
Hitoshi Yuasa
Also filed as: IMAI HIROSUKE · YUASA HITOSHI
36 granted patents·421 citations·filing 1978–2000
98Inventor score
Top patents by PatentIndex Score
36 records- 0181US4931520ARandom copolymer containing derivative of bicyclo [2.2.1] hept-2-ene compoundNIPPON OIL CO LTD·Filed 1989·Granted Jun 5, 1990·31 cites·15 claims
- 0277US5214541AMethod for producing color filterNIPPON OIL CO LTD·Filed 1992·Granted May 25, 1993·32 cites·48 claims
- 0375US5718992ASubstrate having light shielding layerDAINIPPON PRINTING CO LTD·Filed 1996·Granted Feb 17, 1998·42 cites·10 claims
- 0470US5527649AMethod for forming a substrate having a light shielding layerNIPPON OIL CO LTD·Filed 1994·Granted Jun 18, 1996·30 cites·14 claims
- 0570US5368977APositive type photosensitive quinone diazide phenolic resin compositionNIPPON OIL CO LTD·Filed 1993·Granted Nov 29, 1994·22 cites·6 claims
- 0666US6368521B1Water-based coating compositionNIPPON MITSUBISHI OIL CORP·Filed 2000·Granted Apr 9, 2002·7 cites·8 claims
- 0765US4762092AHigh-density liquid fuelNIPPON OIL CO LTD·Filed 1987·Granted Aug 9, 1988·14 cites·6 claims
- 0863US5214542AMethod for producing color filterNIPPON OIL CO LTD·Filed 1992·Granted May 25, 1993·24 cites·40 claims
- 0962US5412002AComposition of glycidylated phenol/vinylcyclohexene or vinylnorbornene resinNIPPON OIL CO LTD·Filed 1992·Granted May 2, 1995·17 cites·12 claims
- 1059US5385795AMethod for producing color filterNIPPON OIL CO LTD·Filed 1992·Granted Jan 31, 1995·15 cites·41 claims
- 1159US4675459ATraction drive fluidNIPPON OIL CO LTD·Filed 1986·Granted Jun 23, 1987·10 cites·13 claims
- 1256US4981972AProcess for producing oxazolone derivativesNIPPON OIL CO LTD·Filed 1989·Granted Jan 1, 1991·4 cites·1 claims
- 1356US4587057Aβ-Hydroxycyclopentylperoxide compounds and the use thereofNIPPON OIL CO LTD·Filed 1983·Granted May 6, 1986·4 cites·9 claims
- 1454US5314770AMethod for producing color filterNIPPON OIL CO LTD·Filed 1992·Granted May 24, 1994·12 cites·45 claims
- 1554US4604490AHigh-density liquid fuelNIPPON OIL CO LTD·Filed 1985·Granted Aug 5, 1986·10 cites·10 claims
- 1653US5422207AMethod for producing color filterNIPPON OIL CO LTD·Filed 1993·Granted Jun 6, 1995·17 cites·42 claims
- 1753US5372902AMethod for producing color filterNIPPON OIL CO LTD·Filed 1993·Granted Dec 13, 1994·11 cites·42 claims
- 1852US5411836APositive type photoresist composition comprising a polymer having carbon-carbon double bonds with a maleic half ester and a maleimide attached to the backboneNIPPON OIL CO LTD·Filed 1991·Granted May 2, 1995·11 cites·18 claims
- 1950US5334468AMethod for producing color filterNIPPON OIL CO LTD·Filed 1992·Granted Aug 2, 1994·16 cites·47 claims
- 2049US4891456AMethod for preparing norbornene structure compoundNIPPON OIL CO LTD·Filed 1988·Granted Jan 2, 1990·3 cites·8 claims
- 2148US5665496AMethod for producing color filterNIPPON OIL CO LTD·Filed 1995·Granted Sep 9, 1997·12 cites·13 claims
- 2248US4804795AHigh-density fuel oilNIPPON OIL CO LTD·Filed 1988·Granted Feb 14, 1989·7 cites·5 claims
- 2347US5432234AResin, process for preparing the same and compositon comprising the sameNIPPON OIL CO LTD·Filed 1994·Granted Jul 11, 1995·5 cites·16 claims
- 2447US4216307APolyhexamethylenimine and process for its preparationNIPPON OIL CO LTD·Filed 1978·Granted Aug 5, 1980·6 cites·3 claims
- 2545US5478681AMethod for producing color filterNIPPON OIL CO LTD·Filed 1993·Granted Dec 26, 1995·7 cites·40 claims
- 2645US5344899APhenolic resin, method for producing the resin and epoxy resin composition for encapsulationNIPPON OIL CO LTD·Filed 1993·Granted Sep 6, 1994·14 cites·11 claims
- 2742US5527648AMethod for producing color filterNIPPON OIL CO LTD·Filed 1994·Granted Jun 18, 1996·10 cites·10 claims
- 2841US5876882AMethod for producing a color filter with a photosensitive coating filmNIPPON OIL CO LTD·Filed 1996·Granted Mar 2, 1999·7 cites·29 claims
- 2941US4309324ASolidification of liquids with polyhexamethylenimineNIPPON OIL CO LTD·Filed 1980·Granted Jan 5, 1982·5 cites·6 claims
- 3040US5096800AResin composition for forming durable protection coating and process for forming durable protection coating on substrateNIPPON OIL CO LTD·Filed 1990·Granted Mar 17, 1992·5 cites·23 claims
- 3140US4374243APolyhexamethylenimine and process for its preparationNIPPON OIL CO LTD·Filed 1981·Granted Feb 15, 1983·3 cites·4 claims
- 3237US5049621AProcess for producing butadiene oligomer adductsNIPPON OIL CO LTD·Filed 1989·Granted Sep 17, 1991·2 cites·5 claims
- 3332US5427888APositive photosensitive resin composition comprising a polymer having carbon-carbon double bonds, a maleic acid group and a maleimide groupNIPPON OIL CO LTD·Filed 1993·Granted Jun 27, 1995·2 cites·20 claims
- 3431US5314769AMethod for producing color filterNIPPON OIL CO LTD·Filed 1992·Granted May 24, 1994·3 cites·42 claims
- 3530US5360870AResin, process for preparing the same, and composition comprising the sameNIPPON OIL CO LTD·Filed 1990·Granted Nov 1, 1994·0 cites·12 claims
- 3629US4613456ATricyclo[2.2.1.02,6 ]heptane derivatives, process for preparing same, and perfume compositions containing sameNIPPON OIL CO LTD·Filed 1985·Granted Sep 23, 1986·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →