Katsumi Sugiyama

Person

Yokosuka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of purifying .alpha.-L-aspartyl-L-phenylalanine methyl ester
- Patent number 5,432,262
- Issue date Jul 11, 1995
- Ajinomoto Co., Inc.
- Tadashi Takemoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing .alpha.-L-aspartyl-L-phenylalanine methyl ester...
- Patent number 5,225,587
- Issue date Jul 6, 1993
- Ajinomoto Co., Inc.
- Katsumi Sugiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of separating alpha-L-aspartyl-L-phenylalanine methyl ester...
- Patent number 4,994,605
- Issue date Feb 19, 1991
- Ajinomoto Co., Inc.
- Shinichi Kishimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of N-protected-alpha-L-aspartyl-L-phenylalani...
- Patent number 4,824,994
- Issue date Apr 25, 1989
- Ajinomoto Co., Inc.
- Satoji Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering .alpha.-L-aspartyl-L-phenylalanine methyl ester
- Patent number 4,822,907
- Issue date Apr 18, 1989
- Ajinomoto Co., Inc.
- Katsumi Sugiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing .alpha.-L-aspartyl-L-phenylalanine methyl est...
- Patent number 4,634,790
- Issue date Jan 6, 1987
- Ajinomoto Co., Inc.
- Emiko Shinohara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amino acid complex and a method for optical resolution of a DL-amin...
- Patent number 4,610,827
- Issue date Sep 9, 1986
- Ajinomoto Co., Inc.
- Toshihide Yukawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dipeptide crystals, and process for their production
- Patent number 4,579,747
- Issue date Apr 1, 1986
- Ajinomoto Company, Incorporated
- Katsumi Sugiyama
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Method for reductive elimination of protecting groups
- Patent number 4,564,471
- Issue date Jan 14, 1986
- Ajinomoto Co., Inc.
- Katsumi Sugiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing N-benzyloxycarbonyl-L-aspartic acid
- Patent number 4,345,091
- Issue date Aug 17, 1982
- Ajinomoto Company Incorporated
- Katsumi Sugiyama
- C07 - ORGANIC CHEMISTRY

Katsumi Sugiyama

Person

Patents Grantslast 30 patents

Method of purifying .alpha.-L-aspartyl-L-phenylalanine methyl ester

Method of producing .alpha.-L-aspartyl-L-phenylalanine methyl ester...

Method of separating alpha-L-aspartyl-L-phenylalanine methyl ester...

Method for production of N-protected-alpha-L-aspartyl-L-phenylalani...

Method for recovering .alpha.-L-aspartyl-L-phenylalanine methyl ester

Process for producing .alpha.-L-aspartyl-L-phenylalanine methyl est...

Amino acid complex and a method for optical resolution of a DL-amin...

Dipeptide crystals, and process for their production

Method for reductive elimination of protecting groups

Method of producing N-benzyloxycarbonyl-L-aspartic acid