Inventor · disambiguated record
Tadayoshi Utsumi
Also filed as: UTSUMI TADAYOSHI
3 granted patents·36 citations·filing 1976–1997
71Inventor score
Top patents by PatentIndex Score
3 records- 0163US5928784APolyvinyl alcohol fiber containing tourmaline particlesLIFE ENERGY INDUSTRY INC·Filed 1997·Granted Jul 27, 1999·18 cites·4 claims
- 0254US4125486APartially polyenized polyvinyl alcohol fibers with ion-exchange capacity and process for the production thereofNITIVY CO LTD·Filed 1976·Granted Nov 14, 1978·8 cites·10 claims
- 0348US4264676AProcess for preparing superfine ion-exchange fibersNITIVY CO LTD·Filed 1979·Granted Apr 28, 1981·10 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Tadayoshi Utsumi 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 →