Inventor · disambiguated record
Gohfu Suzukamo
Also filed as: SUZUKAMO GOHFU
74 granted patents·1 pending application·525 citations·filing 1982–2003
99Inventor score
Top patents by PatentIndex Score
75 records- 0194US4720601AProcess for preparing 5-ethylidene-2-norborneneSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 19, 1988·41 cites·16 claims
- 0292US4424390AProcess for producing 5-halomethylfurfuralSUMITOMO CHEMICAL CO·Filed 1982·Granted Jan 3, 1984·31 cites·8 claims
- 0388US4711873AProcess for preparing solid base catalystSUMITOMO CHEMICAL CO·Filed 1986·Granted Dec 8, 1987·26 cites·16 claims
- 0487US6858559B2Asymmetric copper complex and cyclopropanation reaction using the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Feb 22, 2005·13 cites·13 claims
- 0586US4727204AProcess for preparing 5-ethylidene-2-norbornene with high qualitySUMITOMO CHEMICAL CO·Filed 1986·Granted Feb 23, 1988·22 cites·18 claims
- 0682US7009079B2Chiral copper complex and production processes thereof and using the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Mar 7, 2006·7 cites·9 claims
- 0782US5097088AProcess for preparing alkyl-substituted aromatic hydrocarbonSUMITOMO CHEMICAL CO·Filed 1990·Granted Mar 17, 1992·20 cites·19 claims
- 0882US4987114ASolid base and process for producing the same for preparing internal olefinsSUMITOMO CHEMICAL CO·Filed 1990·Granted Jan 22, 1991·17 cites·26 claims
- 0980US4767882ATetrahydronaphthalene derivatives and their productionSUMITOMO CHEMICAL CO·Filed 1986·Granted Aug 30, 1988·15 cites·37 claims
- 1079US5589596AProcess for producing aminesSUMITOMO CHEMICAL CO·Filed 1994·Granted Dec 31, 1996·16 cites·32 claims
- 1175US4485257AProcess for preparing racemized cyclopropanecarboxylic acids or their derivativesSUMITOMO CHEMICAL CO·Filed 1982·Granted Nov 27, 1984·11 cites·8 claims
- 1274US6670500B2Chiral copper complex and production processes thereof and using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Dec 30, 2003·6 cites·9 claims
- 1373US4992612ASolid base, process for producing the same and process of preparing internal olefinsSUMITOMO CHEMICAL CO·Filed 1989·Granted Feb 12, 1991·21 cites·15 claims
- 1472US4968793AProcess for producing ε-caprolactamSUMITOMO CHEMICAL CO·Filed 1990·Granted Nov 6, 1990·13 cites·16 claims
- 1572US4760149AAsymmetrically modified boron hydride type compound, a production method thereof, and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1985·Granted Jul 26, 1988·10 cites·23 claims
- 1671US6410741B1Optically active bisoxazoline compounds, production and use thereofSUMITOMO CHEMICAL CO·Filed 2000·Granted Jun 25, 2002·4 cites·9 claims
- 1771US5395972AProcess for producing aminesSUMITOMO CHEMICAL CO·Filed 1994·Granted Mar 7, 1995·11 cites·25 claims
- 1871US4749809AOptically active borane complex and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 7, 1988·8 cites·6 claims
- 1970US6469198B2Chiral copper complex catalyst composition and asymmetric production process using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Oct 22, 2002·5 cites·10 claims
- 2070US6403852B1Process for producing alkenyl-substituted aromatic hydrocarbonsSUMITOMO CHEMICAL CO·Filed 1997·Granted Jun 11, 2002·32 cites·13 claims
- 2170US5200561AProcess for producing optically active aminesSUMITOMO CHEMICAL CO·Filed 1991·Granted Apr 6, 1993·12 cites·22 claims
- 2269US4822764ASolid base catalyst for the preparation of internal olefins and process for preparing the catalystSUMITOMO CHEMICAL CO·Filed 1988·Granted Apr 18, 1989·7 cites·36 claims
- 2366US4473703AMethod of epimerization of alkyl chrysanthemateSUMITOMO CHEMICAL CO·Filed 1982·Granted Sep 25, 1984·7 cites·12 claims
- 2465US6072081AOptically active bisoxazoline compounds, production and use thereofSUMITOMO CHEMICAL CO·Filed 1998·Granted Jun 6, 2000·15 cites·4 claims
- 2563US5334789AOxychlorination catalyst process for preparing the catalyst and method of oxychlorination with use of the catalystSUMITOMO CHEMICAL CO·Filed 1993·Granted Aug 2, 1994·7 cites·20 claims
- 2662US4786626ASolid baseSUMITOMO CHEMICAL CO·Filed 1987·Granted Nov 22, 1988·6 cites·18 claims
- 2760US5717116AProcess for producing (R)-styrene oxidesSUMIKA FINE CHEMICALS COMPANY·Filed 1996·Granted Feb 10, 1998·10 cites·18 claims
- 2860US5349115ADimerization of low α-olefinsSUMITOMO CHEMICAL CO·Filed 1993·Granted Sep 20, 1994·7 cites·20 claims
- 2959US4659864AMethod for racemization of chrysanthemic acid or its esterSUMITOMO CHEMICAL CO·Filed 1985·Granted Apr 21, 1987·5 cites·25 claims
- 3059US4547586APreparation of 2-isopropenyl-or 2-isopropylidenyl-3-hexenoates from chrysanthemic acid estersSUMITOMO CHEMICAL CO·Filed 1983·Granted Oct 15, 1985·4 cites·10 claims
- 3159US4487956AMenthyl 2,2-dimethylcyclopropanecarboxylate and resolution of the sameSUMITOMO CHEMICAL CO·Filed 1983·Granted Dec 11, 1984·5 cites·8 claims
- 3258US6388160B1Method for producing of 2,3-dimethylbutene-1 and 2,3-dimethylbutene-2SUMITOMO CHEMICAL CO·Filed 2000·Granted May 14, 2002·3 cites·5 claims
- 3358US4788323AMethod for racemization of optically active chrysanthemic acid or its esterSUMITOMO CHEMICAL CO·Filed 1987·Granted Nov 29, 1988·5 cites·30 claims
- 3457US5120853AProcess for producing optically active compoundsSUMITOMO CHEMICAL CO·Filed 1991·Granted Jun 9, 1992·5 cites·19 claims
- 3554US4542235AMethod for producing an optically active 2,2-dimethylcyclopropanecarboxylic acidSUMITOMO CHEMICAL CO·Filed 1983·Granted Sep 17, 1985·4 cites·7 claims
- 3653US5831132AProcess for producing optically active carbinolsSUMIKA FINE CHEMICALS COMPANY·Filed 1995·Granted Nov 3, 1998·5 cites·15 claims
- 3753US4923999AOptically active borane complex and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1988·Granted May 8, 1990·3 cites·4 claims
- 3852US5227559AProcess for preparing alkyl-subtituted aromatic hydrocarbonsSUMITOMO CHEMICAL CO·Filed 1992·Granted Jul 13, 1993·4 cites·15 claims
- 3950US6156940AProcess for producing optically active carbinolsSUMIKA FINE CHEMICALS COMPANY·Filed 1998·Granted Dec 5, 2000·4 cites·4 claims
- 4050US4584410AProcess for the preparation of hydroxybenzaldehydesSUMITOMO CHEMICAL CO·Filed 1984·Granted Apr 22, 1986·3 cites·6 claims
- 4149US5243081AAldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the processSUMITOMO CHEMICAL CO·Filed 1992·Granted Sep 7, 1993·11 cites·11 claims
- 4249US5011989AOptically active hydroxybenzylamineSUMITOMO CHEMICAL CO·Filed 1988·Granted Apr 30, 1991·2 cites·9 claims
- 4349US4644080AMethod for racemization of chrysanthemic acid or its esterSUMITOMO CHEMICAL CO·Filed 1985·Granted Feb 17, 1987·3 cites·19 claims
- 4447US5130486AProcess for isomerization of oxime ethersSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 14, 1992·4 cites·8 claims
- 4547US4879429ASolid base, process for preparing the same and use of the same in preparation of internal olefinsSUMITOMO CHEMICAL CO·Filed 1989·Granted Nov 7, 1989·2 cites·21 claims
- 4644US6008364AProcess for producing alkenyl--substituted pyridine derivativeSUMITOMO CHEMICAL CO·Filed 1998·Granted Dec 28, 1999·2 cites·17 claims
- 4744US5043507AProcess for preparing alkyl-substituted aromatic hydrocarbonsSUMITOMO CHEMICAL CO·Filed 1989·Granted Aug 27, 1991·2 cites·27 claims
- 4844US4820864AMethod for racemization of optically active chrysanthemic acid or its esterSUMITOMO CHEMICAL CO·Filed 1988·Granted Apr 11, 1989·2 cites·18 claims
- 4944US4723035AMethod for racemization of chrysanthemic acid or its esterSUMITOMO CHEMICAL CO·Filed 1987·Granted Feb 2, 1988·2 cites·10 claims
- 5042US6011169AProcess for producing optically active cyclopropanecaboxylic acid estersSUMITOMO CHEMICAL CO·Filed 1998·Granted Jan 4, 2000·2 cites·10 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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