Inventor · disambiguated record
Kazuyoshi Hirabayashi
Also filed as: HIRABAYASHI KAZUYOSHI
5 granted patents·29 citations·filing 1971–1978
78Inventor score
Files withSUMITOMO CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0178US4230852ATriazinyl-antraquinone dyesSUMITOMO CHEMICAL CO·Filed 1978·Granted Oct 28, 1980·9 cites·1 claims
- 0275US4038267ATriazine reactive dyesSUMITOMO CHEMICAL CO·Filed 1974·Granted Jul 26, 1977·8 cites·6 claims
- 0357US4148790AMetallized triazine reactive dyesSUMITOMO CHEMICAL CO·Filed 1977·Granted Apr 10, 1979·5 cites·6 claims
- 0448US3974178ANaphthostyril cationic dyesSUMITOMO CHEMICAL CO·Filed 1973·Granted Aug 10, 1976·3 cites·5 claims
- 0538US4018756AThiazole and benzothiazole cationic dyesSUMITOMO CHEMICAL CO·Filed 1971·Granted Apr 19, 1977·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →