Inventor · disambiguated record
Tetsuo Okaniwa
Also filed as: OKANIWA TETSUO
4 granted patents·26 citations·filing 1973–1979
74Inventor score
Files withSUMITOMO CHEMICAL CO4
Top patents by PatentIndex Score
4 records- 0179US4488992AMonoazo dyestuffs derived from benzothiazoleSUMITOMO CHEMICAL CO·Filed 1979·Granted Dec 18, 1984·10 cites·3 claims
- 0267US3948598ABlack-dyeing process of basic dyeable polyester fibersSUMITOMO CHEMICAL CO·Filed 1974·Granted Apr 6, 1976·6 cites·8 claims
- 0348US3974178ANaphthostyril cationic dyesSUMITOMO CHEMICAL CO·Filed 1973·Granted Aug 10, 1976·3 cites·5 claims
- 0439US3958287ADischargeable black dyeing on acid modified polyester fiberSUMITOMO CHEMICAL CO·Filed 1975·Granted May 25, 1976·7 cites·9 claims
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