Inventor · disambiguated record
Eizo Okino
Also filed as: OKINO EIZO
8 granted patents·172 citations·filing 1980–1990
88Inventor score
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0194US5106913ARubber compositionSUMITOMO CHEMICAL CO·Filed 1990·Granted Apr 21, 1992·87 cites·8 claims
- 0282US4670488APiperidine derivatives, their production and use as stabilizersSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·17 cites·14 claims
- 0380US5049604AProcess for producing piperidine derivative and stabilized resin composition containing said derivativeSUMITOMO CHEMICAL CO·Filed 1990·Granted Sep 17, 1991·22 cites·7 claims
- 0465US4725634AStabilizer for synthetic resinsSUMITOMO CHEMICAL CO·Filed 1986·Granted Feb 16, 1988·14 cites·3 claims
- 0551US4326062AManufacture of polymerized 2,2,4-trimethyl-1,2-dihydroquinolineSUMITOMO CHEMICAL CO·Filed 1980·Granted Apr 20, 1982·11 cites·4 claims
- 0647US4670489APiperidine derivatives, their production and use as stabilizersSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·9 cites·22 claims
- 0741US4687756AVulcanization accelerator, a means for accelerating vulcanization and an improved rubber product containing said accelerator thereinSUMITOMO CHEMICAL CO·Filed 1985·Granted Aug 18, 1987·9 cites·4 claims
- 0837US4360621ALow viscous p-phenylene diamine stabilizersSUMITOMO CHEMICAL CO·Filed 1981·Granted Nov 23, 1982·3 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Eizo Okino 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 →