Inventor · disambiguated record
Shinzaburo Masaki
Also filed as: MASAKI SHINZABURO
8 granted patents·60 citations·filing 1975–1993
84Inventor score
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0191US4912264AMethod for producing hydroxy-containing alkylated aromatic compoundsSUMITOMO CHEMICAL CO·Filed 1987·Granted Mar 27, 1990·32 cites·12 claims
- 0270US4612394AProcess for producing aminophenyl-β-hydroxyethylsulfoneSUMITOMO CHEMICAL CO·Filed 1983·Granted Sep 16, 1986·11 cites·11 claims
- 0361US5166451ATreatment of hydroperoxide mixtureSUMITOMO CHEMICAL CO·Filed 1991·Granted Nov 24, 1992·7 cites·9 claims
- 0456US4045454AProduction of 1-nitroanthraquinone and 1-aminoanthraquinoneSUMITOMO CHEMICAL CO·Filed 1975·Granted Aug 30, 1977·4 cites·21 claims
- 0546US4289706AMethod for producing 1-nitroanthraquinoneSUMITOMO CHEMICAL CO·Filed 1979·Granted Sep 15, 1981·3 cites·6 claims
- 0639US5254700AProcess for production of N-substituted carbazolesSUMITOMO CHEMICAL CO·Filed 1993·Granted Oct 19, 1993·2 cites·20 claims
- 0736US4695407AMethod for purifying 1-aminoanthraquinoneSUMITOMO CHEMICAL CO·Filed 1983·Granted Sep 22, 1987·1 cites·7 claims
- 0830US5384409AProcess for producing 5-amino-3-methylpyrazoleSUMITOMO CHEMICAL CO·Filed 1992·Granted Jan 24, 1995·0 cites·8 claims
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