Inventor · disambiguated record
Seiji Sagawa
Also filed as: SAGAWA SEIJI
8 granted patents·49 citations·filing 1973–1994
85Inventor score
Top patents by PatentIndex Score
8 records- 0177US5182390AIsocyanuric acid derivative useful as a light stabilizerKYODO CHEMICAL COMPANY LIMITED·Filed 1991·Granted Jan 26, 1993·20 cites·2 claims
- 0266US3947429AMethod for inhibiting premature vulcanization of diene rubbersSUMITOMO CHEMICAL CO·Filed 1974·Granted Mar 30, 1976·7 cites·1 claims
- 0360US3975417AProcess for producing halogenated organotin compoundsSUMITOMO CHEMICAL CO·Filed 1974·Granted Aug 17, 1976·5 cites·6 claims
- 0456US5556980APiperidine compound, a process for producing the same and a stabilizer using the sameSUMITOMO CHEMICAL CO·Filed 1994·Granted Sep 17, 1996·5 cites·1 claims
- 0538US4052363AMethod of protection from ozone deterioration for rubberSUMITOMO CHEMICAL CO·Filed 1975·Granted Oct 4, 1977·3 cites·8 claims
- 0638US3978021AInhibiting ozone deterioration of rubbersSUMITOMO CHEMICAL CO·Filed 1976·Granted Aug 31, 1976·6 cites·1 claims
- 0730US3956234AInhibiting ozone deterioration of rubbersSUMITOMO CHEMICAL CO·Filed 1974·Granted May 11, 1976·2 cites·2 claims
- 0822US4147696A1-(2-Benzothiazolylthio)-piperidinesSUMITOMO CHEMICAL CO·Filed 1973·Granted Apr 3, 1979·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →