Assignee
HASEGAWA MASATOSHI
JP·3 granted patents·2 pending applications·3 citations·filing 2008–2010
Top patents by PatentIndex Score
5 records- 0174US8466252B2Optical film, optical film manufacturing method, transparent substrate, image display device, and solar cellHASEGAWA MASATOSHI·Filed 2010·Granted Jun 18, 2013·2 cites·16 claims
- 0269US9023974B2Ester group-containing tetracarboxylic acid dianhydride, novel polyesterimide precursor derived therefrom, and polyesterimideHASEGAWA MASATOSHI·Filed 2008·Granted May 5, 2015·1 cites·1 claims
- 0349US2012088109A1Linear polyimide precursor, linear polyimide and heat-cured product thereof, and method for producing themHASEGAWA MASATOSHI·Filed 2009·Application pending·0 cites
- 0438US9096566B2Ester group-containing tetracarboxylic acid dianhydride, polyester polyimide precursor, polyesterimide, and methods for producing sameHASEGAWA MASATOSHI·Filed 2010·Granted Aug 4, 2015·0 cites·11 claims
- 0534US2011294066A1Positive photosensitive resin composition, cured film using the same, protecting film, insulating film, semiconductor device, and display deviceHASEGAWA MASATOSHI·Filed 2010·Application pending·0 cites
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