Assignee
YAMAKAWA YOSHITAKA
JP·2 granted patents·1 pending application·5 citations·filing 2007–2011
Top patents by PatentIndex Score
3 records- 0172US8431676B2Aromatic compound and sulfonated polyarylene polymerYAMAKAWA YOSHITAKA·Filed 2007·Granted Apr 30, 2013·5 cites·17 claims
- 0236US2012052412A1Polyarylene block copolymer having sulfonic acid group and use thereofYAMAKAWA YOSHITAKA·Filed 2011·Application pending·0 cites
- 0335US8729219B2Polyarylene block copolymer having sulfonic acid group and use thereofYAMAKAWA YOSHITAKA·Filed 2011·Granted May 20, 2014·0 cites·10 claims
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