Tohru Yokozawa

Person

Fujisawa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ruthenium complex and method for preparing optically active alcohol...
- Patent number 9,079,931
- Issue date Jul 14, 2015
- Takasago International Corporation
- Hideki Nara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Axially asymmetric phosphorus compound and production method thereof
- Patent number 8,222,433
- Issue date Jul 17, 2012
- National University Corporation Tokyo University of Agriculture and Technology
- Ken Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing an optically active tetrahydroquinoline
- Patent number 8,188,307
- Issue date May 29, 2012
- Takasago International Corporation
- Takashi Moroi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of optically active aminophosphinylbutanoic...
- Patent number 8,076,503
- Issue date Dec 13, 2011
- Meiji Seika Pharma Co., Ltd.
- Nobuto Minowa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing an optically active tetrahydroquinoline
- Patent number 7,601,842
- Issue date Oct 13, 2009
- Takasago International Corporation
- Takashi Moroi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted optically active disphosphine compound
- Patent number 7,312,347
- Issue date Dec 25, 2007
- Takasago International Corporation
- Takahiro Fujiwara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of optically active amino alcohols
- Patent number 6,984,738
- Issue date Jan 10, 2006
- Tohru Yokozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diphosphine compound, production intermediate thereof, transition m...
- Patent number 6,794,328
- Issue date Sep 21, 2004
- Takasago International Corporation
- Tohru Yokozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing optically active alcohol
- Patent number 6,492,545
- Issue date Dec 10, 2002
- Takasago International Corporation
- Takao Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process of diphosphine oxide and diphosphonate
- Patent number 6,472,539
- Issue date Oct 29, 2002
- Takasago International Corporation
- Tohru Yokozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active diphosphine compound, production intermediate ther...
- Patent number 6,333,291
- Issue date Dec 25, 2001
- Takasago International Corporation
- Tohru Yokozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ruthenium-phosphine complex and method for producing the same
- Patent number 6,313,317
- Issue date Nov 6, 2001
- Takasago International Corporation
- Noboru Sayo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chiral diphosphine compound intermediate for preparing the same tra...
- Patent number 5,872,273
- Issue date Feb 16, 1999
- Takasago International Corporation
- Takao Saito
- 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
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
Method for producing optically active diphosphine compounds
- Patent number 5,693,868
- Issue date Dec 2, 1997
- Takasago International Corporation
- Noboru Sayo
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
RUTHENIUM COMPLEX AND METHOD FOR PREPARING OPTICALLY ACTIVE ALCOHOL...
- Publication number 20130041151
- Publication date Feb 14, 2013
- Takasago International Corporation
- Hideki Nara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AXIALLY ASYMMETRIC PHOSPHORUS COMPOUND AND PRODUCTION METHOD THEREOF
- Publication number 20110218345
- Publication date Sep 8, 2011
- Ken TANAKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING AN OPTICALLY ACTIVE TETRAHYDROQUINOLINE
- Publication number 20100036149
- Publication date Feb 11, 2010
- TAKASAGO INTERNATIONAL COPORATION
- Takashi Moroi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Axially Asymmetric Phosphorus Compound and Production Method Thereof
- Publication number 20090227805
- Publication date Sep 10, 2009
- Ken Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE AMINOPHOSPHINYLBUTANOIC...
- Publication number 20090221851
- Publication date Sep 3, 2009
- Nobuto Minowa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing optically active 3-(4-hydroxyphenyl)proprioni...
- Publication number 20070142472
- Publication date Jun 21, 2007
- Tohru Yokozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Substituted optically active disphosphine compound
- Publication number 20070073065
- Publication date Mar 29, 2007
- Takasago International Corporation
- Takahiro Fujiwara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing an optically active tetrahydroquinoline
- Publication number 20060122225
- Publication date Jun 8, 2006
- Takashi Moroi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for production of optically active amino alcohols
- Publication number 20040082794
- Publication date Apr 29, 2004
- Tohru Yokozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Novel diphosphine compound, production intermediate thereof, transi...
- Publication number 20030228977
- Publication date Dec 11, 2003
- TAKASAGO INTERNATIONAL CORPORATION
- Tohru Yokozawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing optically active alcohol
- Publication number 20020035283
- Publication date Mar 21, 2002
- TAKASAGO INTERNATIONAL CORPORATION
- Takao Saito
- C07 - ORGANIC CHEMISTRY

Tohru Yokozawa

Person

Patents Grantslast 30 patents

Ruthenium complex and method for preparing optically active alcohol...

Axially asymmetric phosphorus compound and production method thereof

Method for producing an optically active tetrahydroquinoline

Process for production of optically active aminophosphinylbutanoic...

Method for producing an optically active tetrahydroquinoline

Substituted optically active disphosphine compound

Process for production of optically active amino alcohols

Diphosphine compound, production intermediate thereof, transition m...

Process for producing optically active alcohol

Production process of diphosphine oxide and diphosphonate

Optically active diphosphine compound, production intermediate ther...

Ruthenium-phosphine complex and method for producing the same

Chiral diphosphine compound intermediate for preparing the same tra...

Optically active diphosphine compound, method for making the compou...

Chiral unsymmetric diphosphine compound and transition metal comple...

Method for producing optically active diphosphine compounds

Patents Applicationslast 30 patents

RUTHENIUM COMPLEX AND METHOD FOR PREPARING OPTICALLY ACTIVE ALCOHOL...

AXIALLY ASYMMETRIC PHOSPHORUS COMPOUND AND PRODUCTION METHOD THEREOF

METHOD FOR PRODUCING AN OPTICALLY ACTIVE TETRAHYDROQUINOLINE

Axially Asymmetric Phosphorus Compound and Production Method Thereof

PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE AMINOPHOSPHINYLBUTANOIC...

Process for producing optically active 3-(4-hydroxyphenyl)proprioni...

Substituted optically active disphosphine compound

Method for producing an optically active tetrahydroquinoline

Process for production of optically active amino alcohols

Novel diphosphine compound, production intermediate thereof, transi...

Process for producing optically active alcohol