Inventor · disambiguated record
Nobuhisa Tsutsumi
Also filed as: TSUTSUMI NOBUHISA
3 granted patents·92 citations·filing 1990–1998
74Inventor score
Technology areasC08G
Top patents by PatentIndex Score
3 records- 0180US5762944AAntithrombotic resin, antithrombotic tube, antithrombotic film and antithrombotic coatOTSUKA PHARMA CO LTD·Filed 1995·Granted Jun 9, 1998·40 cites·11 claims
- 0277US6252031B1Production process for producing polyurethane elastic material and elastic yarnNISSHIN SPINNING·Filed 1998·Granted Jun 26, 2001·39 cites·12 claims
- 0357US5053464APolyurethane containing metal phthalocyanine in the main chainHIROFUSA SHIRAI & NISSHINBO IN·Filed 1990·Granted Oct 1, 1991·13 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Nobuhisa Tsutsumi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →