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Hidenori Kumobayashi
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing optically active carnitine ester
Patent number
6,197,996
Issue date
Mar 6, 2001
Takasago International Corporation
Takanao Taketomi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-phenyl-2-(2'-piperidinylidene)acetate derivative, process for man...
Patent number
5,859,249
Issue date
Jan 12, 1999
Takasago International Corporation
Nobuo Seido
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active diphosphine compound, method for making the compou...
Patent number
5,847,222
Issue date
Dec 8, 1998
Takasago International Corporation
Tohru Yokozawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing optically active 4-hydroxy-2-pyrrolidone
Patent number
5,837,877
Issue date
Nov 17, 1998
Takasago International Corporation
Shigeru Mitsuhashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phospphine-phosinite compound and process for preparing 4-�(R)-1'-f...
Patent number
5,824,822
Issue date
Oct 20, 1998
Takasago International Corporation
Takao Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chiral unsymmetric diphosphine compound and transition metal comple...
Patent number
5,808,162
Issue date
Sep 15, 1998
Takasago International Corporation
Noboru Sayo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-(n-substituted amino)-2-phenylheptanoic acid derivative and proce...
Patent number
5,801,271
Issue date
Sep 1, 1998
Takasago International Corporation
Nobuo Seido
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1-substituted-2-diphenylphosphinonaphthalene and transition metal c...
Patent number
5,756,760
Issue date
May 26, 1998
Takasago International Corporation
Sotaro Miyano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing an optically active amine
Patent number
5,686,616
Issue date
Nov 11, 1997
Takasago International Corporation
Kazuhide Tani
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active diaminohexanone derivative
Patent number
5,631,397
Issue date
May 20, 1997
Takasago International Corporation
Tetsuro Yamasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted acetoxyazetidinone derivatives and process for preparin...
Patent number
5,629,420
Issue date
May 13, 1997
Takasago International Corporation
Takao Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted acetoxyazetidinone derivatives and process for preparin...
Patent number
5,606,052
Issue date
Feb 25, 1997
Takasago International Corporation
Takao Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-substituted-7-amino-5-hydroxy-3-oxoheptanoic acid derivatives and...
Patent number
5,599,954
Issue date
Feb 4, 1997
Takasago International Corporation
Sigeru Mitsuhashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing optically active allophenylnorstatin derivatives
Patent number
5,581,007
Issue date
Dec 3, 1996
Takasago International Corporation
Noboru Sayo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active carboxylic acid
Patent number
5,563,295
Issue date
Oct 8, 1996
Takasago International Corporation
Hidemasa Takaya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphine compound, complex containing the phosphine compound as li...
Patent number
5,530,150
Issue date
Jun 25, 1996
Takasago International Corporation
Hidemasa Takaya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active diaminohexanone derivative
Patent number
5,523,458
Issue date
Jun 4, 1996
Takasago International Corporation
Tetsuro Yamasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing cyclohexylbutyric acid derivative
Patent number
5,502,221
Issue date
Mar 26, 1996
Takasago International Corporation
Noboru Sayo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing cyclohexylbutyric acid derivative
Patent number
5,442,105
Issue date
Aug 15, 1995
Takasago International Corporation
Noboru Sayo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ru catalyzed acyloxylation process for preparing 4-acyloxyazetidino...
Patent number
5,440,030
Issue date
Aug 8, 1995
Takasago International Corporation
Takao Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
T-butyl (R)-(-)-4-cyano-3-hydroxybutyrate and process for preparing...
Patent number
5,430,171
Issue date
Jul 4, 1995
Takasago International Corporation
Shigeru Mitsuhashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active .gamma.-butyrolactone deriva...
Patent number
5,420,306
Issue date
May 30, 1995
Takasago International Corporation
Ryoji Noyori
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing optically active 4-methyl-2-oxetanone
Patent number
5,412,109
Issue date
May 2, 1995
Takasago International Corporation
Hidemasa Takaya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active .gamma.-hydroxyketones
Patent number
5,349,107
Issue date
Sep 20, 1994
Takasago International Corporation
Seiji Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active 1-substituted-1,3-propanedio...
Patent number
5,324,870
Issue date
Jun 28, 1994
Takasago International Corporation
Noboru Sano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-soluble alkali metal sulfonate-substituted binaphthylphosphin...
Patent number
5,324,861
Issue date
Jun 28, 1994
Takasago International Corporation
Takerou Ishizaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,2'-bis (dicyclopentylphosphino)-1,1'-binaphthyl and transition me...
Patent number
5,312,939
Issue date
May 17, 1994
Takasago International Corporation
Yoji Hori
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing optically active 4-methyl-2-oxetanone
Patent number
5,306,834
Issue date
Apr 26, 1994
Takasago International Corporation
Hidemasa Takaya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted acetoxyazetidinone derivatives and process for preparin...
Patent number
5,288,862
Issue date
Feb 22, 1994
Takasago International Corporation
Takao Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ruthenium-phosphine complex and process for producing optically act...
Patent number
5,286,888
Issue date
Feb 15, 1994
Takasago International Corporation
Noboru Sano
C07 - ORGANIC CHEMISTRY