Yasumasa Yamaguchi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing optically active aminoalcohol
- Patent number 6,743,944
- Issue date Jun 1, 2004
- Mitsubishi Rayon Co., Ltd.
- Eiji Ozaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a-hydroxy acid or a-hydroxyamide by microorga...
- Patent number 5,756,306
- Issue date May 26, 1998
- Nitto Chemical Industry Co., Ltd.
- Yasumasa Yamaguchi
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for producing unsintered cristobalite particles
- Patent number 5,154,905
- Issue date Oct 13, 1992
- Nitto Chemical Industry Co., Ltd.
- Iwao Ohshima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of manufacturing spherical silica particles
- Patent number 5,028,360
- Issue date Jul 2, 1991
- Nitto Chemical Industries Co., Ltd.
- Yuziro Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2,6-dichlorobenzonitrile
- Patent number 4,883,897
- Issue date Nov 28, 1989
- Nitto Chemical Industry Co., Ltd.
- Yutaka Kiyomiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying reaction solution obtained by using microbial...
- Patent number 4,844,809
- Issue date Jul 4, 1989
- Nitto Chemical Industry Co., Ltd.
- Ashina Yoshiro
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for purifying aqueous acrylamide solution
- Patent number 4,701,558
- Issue date Oct 20, 1987
- Nitto Chemical Industry Co., Ltd.
- Yasumasa Yamaguchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous production of acrylamide or methacrylami...
- Patent number 4,440,858
- Issue date Apr 3, 1984
- Nitto Chemical Industry Co., Ltd.
- Yasumasa Yamaguchi
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing a highly concentrated aqueous acrylamide solu...
- Patent number 4,414,331
- Issue date Nov 8, 1983
- Nitto Chemical Industry Co., Ltd.
- Ichiro Watanabe
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for preparing acrylamide aqueous solution
- Patent number 4,188,339
- Issue date Feb 12, 1980
- Nitto Chemical Industry Co., Ltd.
- Yasumasa Yamaguchi
- C07 - ORGANIC CHEMISTRY

Yasumasa Yamaguchi

Person

Patents Grantslast 30 patents

Process for producing optically active aminoalcohol

Process for producing a-hydroxy acid or a-hydroxyamide by microorga...

Method for producing unsintered cristobalite particles

Method of manufacturing spherical silica particles

Process for producing 2,6-dichlorobenzonitrile

Method for purifying reaction solution obtained by using microbial...

Method for purifying aqueous acrylamide solution

Process for the continuous production of acrylamide or methacrylami...

Process for producing a highly concentrated aqueous acrylamide solu...

Process for preparing acrylamide aqueous solution