Inventor · disambiguated record
Kiyoyasu Hashimoto
Also filed as: HASHIMOTO KIYOYASU
7 granted patents·77 citations·filing 1979–1989
84Inventor score
Top patents by PatentIndex Score
7 records- 0189US4923974A2,6-dicyano-4'-morpholinoazobenzene compounds useful for dyeing hydrophobic materialsSUMITOMO CHEMICAL CO·Filed 1988·Granted May 8, 1990·27 cites·4 claims
- 0279US4488992AMonoazo dyestuffs derived from benzothiazoleSUMITOMO CHEMICAL CO·Filed 1979·Granted Dec 18, 1984·10 cites·3 claims
- 0369US4833123AYellow dye-donor element used in thermal transfer and thermal transfer and thermal transfer sheet using itSUMITOMO CHEMICAL CO·Filed 1988·Granted May 23, 1989·27 cites·14 claims
- 0449US5012015AProcess for producing 2,4-dichloro-3-alkyl-6-nitrophenolDAIEI CHEMICAL CO LTD·Filed 1989·Granted Apr 30, 1991·5 cites·10 claims
- 0543US4826505AMonoazo pyridone compounds and application thereof for dyeing of hydrophobic fiber materialsSUMITOMO CHEMICAL CO·Filed 1988·Granted May 2, 1989·5 cites·11 claims
- 0630US4536569A2-Cyano-4-nitro-6-chlorophenylazo 3-acetyl-or propionylamino-N,N-di-n-pentyl or hexylanilinesSUMITOMO CHEMICAL CO·Filed 1981·Granted Aug 20, 1985·1 cites·2 claims
- 0721US4529406ANitrothiazolyl-monoazo-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline compounds for polyesterRES ASS OF DYESTUFF MANUFACTUR·Filed 1983·Granted Jul 16, 1985·2 cites·7 claims
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