Inventor · disambiguated record
Yukio Yoneyoshi
Also filed as: FUJITA FUMIO · YONEYOSHI YUKIO
26 granted patents·240 citations·filing 1975–1998
96Inventor score
Top patents by PatentIndex Score
26 records- 0197US4435203AOptical isomer of triazolylpentenols, and their production and use as fungicide, herbicide and/or plant growth regulantSUMITOMO CHEMICAL CO·Filed 1981·Granted Mar 6, 1984·91 cites·10 claims
- 0289US4029683ACopper complexSUMITOMO CHEMICAL CO·Filed 1975·Granted Jun 14, 1977·22 cites·7 claims
- 0385US4029690AAsymmetric synthesis of alkyl chrysanthematesSUMITOMO CHEMICAL CO·Filed 1975·Granted Jun 14, 1977·16 cites·17 claims
- 0479US5510519AOptically active secondary amine compound, process for producing optically active secondary amine compound and process for producing optically active carboxylic acid by using said compoundSUMITOMO CHEMICAL CO·Filed 1993·Granted Apr 23, 1996·16 cites·12 claims
- 0575US4197408AAsymmetric synthesis of alkyl chrysanthemateSUMITOMO CHEMICAL CO·Filed 1977·Granted Apr 8, 1980·10 cites·6 claims
- 0672US4760149AAsymmetrically 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
- 0771US4749809AOptically 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
- 0870US5200561AProcess for producing optically active aminesSUMITOMO CHEMICAL CO·Filed 1991·Granted Apr 6, 1993·12 cites·22 claims
- 0969US5298660AOptically active secondary amine compound, process for producing optically active secondary amine compound and process for producing optically active carboxylic acid by using said compoundSUMITOMO CHEMICAL CO·Filed 1992·Granted Mar 29, 1994·9 cites·5 claims
- 1060US5717116AProcess for producing (R)-styrene oxidesSUMIKA FINE CHEMICALS COMPANY·Filed 1996·Granted Feb 10, 1998·10 cites·18 claims
- 1157US5120853AProcess for producing optically active compoundsSUMITOMO CHEMICAL CO·Filed 1991·Granted Jun 9, 1992·5 cites·19 claims
- 1253US5831132AProcess for producing optically active carbinolsSUMIKA FINE CHEMICALS COMPANY·Filed 1995·Granted Nov 3, 1998·5 cites·15 claims
- 1353US4923999AOptically 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
- 1450US6156940AProcess for producing optically active carbinolsSUMIKA FINE CHEMICALS COMPANY·Filed 1998·Granted Dec 5, 2000·4 cites·4 claims
- 1549US5011989AOptically active hydroxybenzylamineSUMITOMO CHEMICAL CO·Filed 1988·Granted Apr 30, 1991·2 cites·9 claims
- 1647US5130486AProcess for isomerization of oxime ethersSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 14, 1992·4 cites·8 claims
- 1744US5231227AOptically active hydroxybenzylamine derivative and process for producing said compoundSUMITOMO CHEMICAL CO·Filed 1992·Granted Jul 27, 1993·3 cites·12 claims
- 1842US4908455AMethod for producing an optically active azolyl-α β-unsaturated alcoholSUMITOMO CHEMICAL CO·Filed 1988·Granted Mar 13, 1990·1 cites·9 claims
- 1940US5144039AProcess for producing optically active alcoholSUMITOMO ELECTRIC CO·Filed 1990·Granted Sep 1, 1992·2 cites·33 claims
- 2039US5041651AAsymmetrically modified boron hydride type compound and a method for producing an optically active alcohol derivative by the use thereofSUMITOMO CHEMICAL CO·Filed 1988·Granted Aug 20, 1991·1 cites·36 claims
- 2137US6025531AProcesses for preparing optically active alcohols and optically active aminesSUMITOMO CHEMICAL CO·Filed 1998·Granted Feb 15, 2000·2 cites·11 claims
- 2237US5801280AProcesses for preparing optically active alcohols and optically active aminesSUMITOMO CHEMICAL CO·Filed 1996·Granted Sep 1, 1998·3 cites·9 claims
- 2336US5144071AMethod for producing an optically active azolyl-α,β-unsaturated alcoholSUMITOMO CHEMICAL CO·Filed 1989·Granted Sep 1, 1992·0 cites·7 claims
- 2434US4463188AMethod for racemization of optically active 2,2-dimethylcyclopropane-1-carboxylic acidSUMITOMO CHEMICAL CO·Filed 1983·Granted Jul 31, 1984·0 cites·5 claims
- 2532US5698742AMethod for producing an optically active azolyl-α, β-unsaturated alcoholSUMITOMO CHEMICAL CO·Filed 1993·Granted Dec 16, 1997·0 cites·13 claims
- 2632US5145998AMethod for producing optically active aminesSUMITOMO CHEMICAL CO·Filed 1990·Granted Sep 8, 1992·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →