Inventor · disambiguated record
Isao Hagiwara
Also filed as: HAGIWARA ISAO
21 granted patents·8 pending applications·316 citations·filing 1979–2017
95Inventor score
Top patents by PatentIndex Score
29 records- 0191US4673848AControl system for an automatic doorYOSHIDA KOGYO KK·Filed 1985·Granted Jun 16, 1987·65 cites·6 claims
- 0283US5765322ASeismic isolation apparatusBRIDGESTONE CORP·Filed 1996·Granted Jun 16, 1998·54 cites·8 claims
- 0378US5021197AProcess for production of sulfonium compoundsMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Jun 4, 1991·15 cites·26 claims
- 0469US6524769B1Photosensitive resinMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Feb 25, 2003·8 cites·8 claims
- 0569US5817940AAngular rate detectorAISIN SEIKI KABISHIKI KAISHA·Filed 1997·Granted Oct 6, 1998·56 cites·14 claims
- 0663US4449078AApparatus for providing an optimal opening and closing of a doorYOSHIDA KOGYO KK·Filed 1982·Granted May 15, 1984·24 cites·10 claims
- 0762US5884440ASeismic isolation deviceBRIDGESTONE CORP·Filed 1998·Granted Mar 23, 1999·26 cites·7 claims
- 0858US6709890B2Method of manufacturing semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2001·Granted Mar 23, 2004·9 cites·23 claims
- 0957US8348003B2Occupant detection correction systemTOYOTA MOTOR CO LTD·Filed 2012·Granted Jan 8, 2013·3 cites·4 claims
- 1052US7605711B2Communication anomaly detecting device, and passenger detecting deviceAISIN SEIKI·Filed 2005·Granted Oct 20, 2009·2 cites·2 claims
- 1151US5075476AProcess for production of sulfonium compounds and novel methylthiphenol derivativesMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Dec 24, 1991·5 cites·10 claims
- 1250US6395452B1Photosensitive resin and photosensitive resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted May 28, 2002·1 cites·8 claims
- 1350US4697383AControlling device for an automatic doorYOSHIDA KOGYO KK·Filed 1986·Granted Oct 6, 1987·32 cites·2 claims
- 1449US7601323B2Method for producing hydrogen peroxideMITSUBISHI GAS CHEMICAL CO·Filed 2007·Granted Oct 13, 2009·0 cites·6 claims
- 1549US2014228520A1Process for producing thermoplastic resin composition, and thermoplastic resin composition produced by the sameCANON KK·Filed 2014·Application pending·0 cites
- 1648US5149857AProcess for production of sulfonium compoundsMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Sep 22, 1992·4 cites·12 claims
- 1747US7420012B2Rubber compositionBRIDGESTONE CORP·Filed 2004·Granted Sep 2, 2008·0 cites·9 claims
- 1847US2009018013A1Method for producing regeneration catalyst for working solution usable for hydrogen peroxide productionMITSUBISHI GAS CHEMICAL CO·Filed 2008·Application pending·0 cites
- 1946US4333903ARow of continuous slide fastener coupling elements and method of making the sameYOSHIDA KOGYO KK·Filed 1979·Granted Jun 8, 1982·11 cites·7 claims
- 2046US2006099424A1Multilayer injection compression molding method using recycled material, and molded product molded through the sameCANON KK·Filed 2005·Application pending·0 cites
- 2144US8735456B2Process for producing thermoplastic resin composition, and thermoplastic resin composition produced by the sameIUCHI KENICHIRO·Filed 2008·Granted May 27, 2014·0 cites·7 claims
- 2243US2009169469A1Process for Hydrogen Peroxide Production Including Step for Regeneration of Working SolutionMITSUBISHI GAS CHEMICAL CO·Filed 2007·Application pending·0 cites
- 2342US10828264B2Adhesive skin patchNICHIBAN KK·Filed 2017·Granted Nov 10, 2020·0 cites·8 claims
- 2440US2015048552A1Polymer composition and method for manufacturing the sameCANON KK·Filed 2013·Application pending·0 cites
- 2539US2018273735A1Rubber composition, rubber composite, and rubber crawlerBRIDGESTONE CORP·Filed 2016·Application pending·0 cites
- 2637US2019060248A1Percutaneous absorption preparationNICHIBAN KK·Filed 2017·Application pending·0 cites
- 2736US2014037710A1Method for producing patch, and patchHASHIMOTO EIJI·Filed 2012·Application pending·0 cites
- 2835US5187311AMethylthiophenol derivatives and p-methylthiophenyl chloroformates and processes for producing these derivativesMITSUBISHI GAS CHEMICAL CO·Filed 1991·Granted Feb 16, 1993·1 cites·6 claims
- 2934US7833510B2Method for activating hydrogenation catalyst and method for producing hydrogen peroxide including sameMITSUBISHI GAS CHEMICAL COMPAY·Filed 2007·Granted Nov 16, 2010·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →