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Yukio Yoneyoshi
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Ootsu, JP
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last 30 patents
Information
Patent Grant
Process for producing optically active carbinols
Patent number
6,156,940
Issue date
Dec 5, 2000
Sumika Fine Chemicals Company, Limited
Kenji Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes for preparing optically active alcohols and optically act...
Patent number
6,025,531
Issue date
Feb 15, 2000
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active carbinols
Patent number
5,831,132
Issue date
Nov 3, 1998
Sumika Fine Chemicals Company, Ltd.
Kenji Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes for preparing optically active alcohols and optically act...
Patent number
5,801,280
Issue date
Sep 1, 1998
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing (R)-styrene oxides
Patent number
5,717,116
Issue date
Feb 10, 1998
Sumika Fine Chemicals Company, Limited
Kenji Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing an optically active azolyl-.alpha., .beta.-uns...
Patent number
5,698,742
Issue date
Dec 16, 1997
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active secondary amine compound, process for producing op...
Patent number
5,510,519
Issue date
Apr 23, 1996
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active secondary amine compound, process for producing op...
Patent number
5,298,660
Issue date
Mar 29, 1994
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active hydroxybenzylamine derivative and process for prod...
Patent number
5,231,227
Issue date
Jul 27, 1993
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active amines
Patent number
5,200,561
Issue date
Apr 6, 1993
Sumitomo Chemical Company, Limited
Naoto Konya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing optically active amines
Patent number
5,145,998
Issue date
Sep 8, 1992
Sumitomo Chemical Company, Limited
Yoji Sakito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing an optically active azolyl-.alpha.,.beta.-unsa...
Patent number
5,144,071
Issue date
Sep 1, 1992
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active alcohol
Patent number
5,144,039
Issue date
Sep 1, 1992
Sumitomo Electric Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for isomerization of oxime ethers
Patent number
5,130,486
Issue date
Jul 14, 1992
Sumitomo Chemical Company Limited
Naoto Konyo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active compounds
Patent number
5,120,853
Issue date
Jun 9, 1992
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Asymmetrically modified boron hydride type compound and a method fo...
Patent number
5,041,651
Issue date
Aug 20, 1991
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active hydroxybenzylamine
Patent number
5,011,989
Issue date
Apr 30, 1991
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active borane complex and a method for producing an optic...
Patent number
4,923,999
Issue date
May 8, 1990
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing an optically active azolyl-.alpha. .beta.-unsa...
Patent number
4,908,455
Issue date
Mar 13, 1990
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Asymmetrically modified boron hydride type compound, a production m...
Patent number
4,760,149
Issue date
Jul 26, 1988
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active borane complex and a method for producing an optic...
Patent number
4,749,809
Issue date
Jun 7, 1988
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for racemization of optically active 2,2-dimethylcyclopropan...
Patent number
4,463,188
Issue date
Jul 31, 1984
Sumitomo Chemical Company, Limited
Gohfu Suzukamo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical isomer of triazolylpentenols, and their production and use...
Patent number
4,435,203
Issue date
Mar 6, 1984
Sumitomo Chemical Company, Limited
Yuji Funaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Asymmetric synthesis of alkyl chrysanthemate
Patent number
4,197,408
Issue date
Apr 8, 1980
Sumitomo Chemical Company, Limited
Tadatoshi Aratani
C07 - ORGANIC CHEMISTRY