Assignee
HASEGAWA MASATOSHI
JP3 patents
Top patents by PatentIndex Score
US8466252B2Jun 18, 2013
Optical film, optical film manufacturing method, transparent substrate, image display device, and solar cell
HASEGAWA MASATOSHI2 citations61
US9023974B2May 5, 2015
Ester group-containing tetracarboxylic acid dianhydride, novel polyesterimide precursor derived therefrom, and polyesterimide
HASEGAWA MASATOSHI1 citations50
US9096566B2Aug 4, 2015
Ester group-containing tetracarboxylic acid dianhydride, polyester polyimide precursor, polyesterimide, and methods for producing same
HASEGAWA MASATOSHI0 citations41