Inventor · disambiguated record
Yukihisa Takisawa
Also filed as: TAKISAWA YUKIHISA
6 granted patents·57 citations·filing 1980–1986
79Inventor score
Files withSUMITOMO CHEMICAL CO6
Top patents by PatentIndex Score
6 records- 0194US4337370AProcess for the preparation of resorcinol derivativesSUMITOMO CHEMICAL CO·Filed 1980·Granted Jun 29, 1982·43 cites·6 claims
- 0265US4958033AProcess for preparing alcoholsSUMITOMO CHEMICAL CO·Filed 1986·Granted Sep 18, 1990·8 cites·11 claims
- 0353US4352756AProduction of furfuryl alcoholsSUMITOMO CHEMICAL CO·Filed 1981·Granted Oct 5, 1982·3 cites·6 claims
- 0443US4398043AProcess for preparing cyclopentenolonesSUMITOMO CHEMICAL CO·Filed 1981·Granted Aug 9, 1983·2 cites·4 claims
- 0535US4822898AAscorbic acid or erythorbic acid derivativesSUMITOMO CHEMICAL CO·Filed 1986·Granted Apr 18, 1989·1 cites·1 claims
- 0633US4398047A2-Substituted-4,6-di-t-butylresorcinolSUMITOMO CHEMICAL CO·Filed 1982·Granted Aug 9, 1983·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Yukihisa Takisawa 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 →