Kiyotaka Oyama

Person

Tokyo-prefecture, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Stabilized neutral metalloprotease composition, a method of making...
- Patent number 5,739,023
- Issue date Apr 14, 1998
- Holland Sweetener Company V.o.F.
- Tsuneo Harada
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Enzymatic coupling reaction of N-protected-L-aspartic acid and phen...
- Patent number 5,693,485
- Issue date Dec 2, 1997
- Holland Sweetener Company V.o.F.
- Tsuneo Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Enzymatic coupling of L-phenylalanine methyl ester and N-benzyloxyc...
- Patent number 5,527,689
- Issue date Jun 18, 1996
- Holland Sweetener Company V.o.F.
- Shigeaki Irino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for crystallizing .alpha.-L-aspartyl-L-phenylalanine methyl...
- Patent number 5,347,035
- Issue date Sep 13, 1994
- Tosoh Corporation
- Hidetoshi Wakamatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparation of .alpha., .beta.-unsaturated carboxylic ac...
- Patent number 5,124,082
- Issue date Jun 23, 1992
- Tosoh Corporation
- Mitsuru Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Shaped zeolite catalyst for liquid phase organic reactions
- Patent number 5,001,289
- Issue date Mar 19, 1991
- Tosoh Corporation
- Masao Nakano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying a dipeptide ester
- Patent number 4,944,852
- Issue date Jul 31, 1990
- Tosoh Corporation
- Yasuhiro Kurauchi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4,4'-bis(phthalimido)diphenyl sulfone compounds, processes for thei...
- Patent number 4,940,802
- Issue date Jul 10, 1990
- Tosoh Corporation
- Takao Matsuba
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 4,4'-dibromobiphenyl
- Patent number 4,935,562
- Issue date Jun 19, 1990
- Tosoh Corporation
- Fumio Okisaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing dry .alpha.-L-aspartyl-L-phenylalanine methyl...
- Patent number 4,835,303
- Issue date May 30, 1989
- Toyo Soda Manufacturing Company, Ltd.
- Hideotoshi Wakamatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing stable .alpha.-L-aspartyl-L-phenylalanine met...
- Patent number 4,835,301
- Issue date May 30, 1989
- Toyo Soda Manufacturing Co., Ltd.
- Hidetoshi Wakamatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying a dipeptide ester
- Patent number 4,830,720
- Issue date May 16, 1989
- Tosoh Corporation
- Tsuneo Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing alpha-aspartyl-l-phenylalanine methyl ester h...
- Patent number 4,810,818
- Issue date Mar 7, 1989
- Toyo Soda Manufacturing Co., Ltd.
- Hidetoshi Wakamatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for racemizing an optically active amino acid
- Patent number 4,769,486
- Issue date Sep 6, 1988
- Toyo Soda Manufacturing Co., Ltd.
- Tsuneo Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing DL-phenylalanine
- Patent number 4,704,471
- Issue date Nov 3, 1987
- Toyo Soda Manufacturing Co., Ltd.
- Tuneo Harada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing an .alpha.-halogeno-.beta.-phenylpropionic acid
- Patent number 4,594,450
- Issue date Jun 10, 1986
- Toyo Soda Manufacturing Co., Ltd.
- Kiyotaka Oyama
- C07 - ORGANIC CHEMISTRY
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
Process for producing a halogen-containing ethylbenzene derivative
- Patent number 4,536,342
- Issue date Aug 20, 1985
- Toyo Soda Manufacturing Co., Ltd.
- Kiyotaka Oyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a halogen-containing ethylbenzene derivative
- Patent number 4,534,909
- Issue date Aug 13, 1985
- Toyo Soda Manufacturing Co., Ltd.
- Kiyotaka Oyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing an addition compound of a dipeptide ester and...
- Patent number 4,521,514
- Issue date Jun 4, 1985
- Toyo Soda Manufacturing Co., Ltd.
- Kiyotaka Oyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering a dipeptide derivative
- Patent number 4,487,717
- Issue date Dec 11, 1984
- Toyo Soda Manufacturing Co., Ltd.
- Kiyotaka Oyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Addition compound of dipeptide derivative and amino acid derivative
- Patent number 4,436,925
- Issue date Mar 13, 1984
- Toyo Soda Manufacturing Co., Ltd.
- Yoshikazu Isowa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing dipeptides
- Patent number 4,284,721
- Issue date Aug 18, 1981
- Sagami Chemical Research Center
- Kiyotaka Oyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Addition compound of dipeptide derivative and amino acid derivative
- Patent number 4,256,836
- Issue date Mar 17, 1981
- Toyo Soda Manufacturing Co. Ltd.
- Yoshikazu Isowa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering protease
- Patent number 4,212,945
- Issue date Jul 15, 1980
- (Zaidanhojin) Sagami Chemical Research Center
- Yuji Nonaka
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for recovering protease
- Patent number 4,212,946
- Issue date Jul 15, 1980
- Toyo Soda Manufacturing Co., Ltd.
- Yuji Nonaka
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Addition compound of dipeptide derivative and amino acid derivative
- Patent number 4,165,311
- Issue date Aug 21, 1979
- Toyo Soda Manufacturing Co. Ltd.
- Yoshikazu Isowa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a peptide
- Patent number 4,116,768
- Issue date Sep 26, 1978
- (Zaidanhojin) Sagami Chemical Research Center
- Yoshikazu Isowa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Kiyotaka Oyama

Person

Patents Grantslast 30 patents

Stabilized neutral metalloprotease composition, a method of making...

Enzymatic coupling reaction of N-protected-L-aspartic acid and phen...

Enzymatic coupling of L-phenylalanine methyl ester and N-benzyloxyc...

Method for crystallizing .alpha.-L-aspartyl-L-phenylalanine methyl...

Method for preparation of .alpha., .beta.-unsaturated carboxylic ac...

Shaped zeolite catalyst for liquid phase organic reactions

Method for purifying a dipeptide ester

4,4'-bis(phthalimido)diphenyl sulfone compounds, processes for thei...

Method for producing 4,4'-dibromobiphenyl

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

Process for producing stable .alpha.-L-aspartyl-L-phenylalanine met...

Method for purifying a dipeptide ester

Process for producing alpha-aspartyl-l-phenylalanine methyl ester h...

Method for racemizing an optically active amino acid

Process for producing DL-phenylalanine

Process for producing an .alpha.-halogeno-.beta.-phenylpropionic acid

Method for reductive elimination of protecting groups

Process for producing a halogen-containing ethylbenzene derivative

Process for producing a halogen-containing ethylbenzene derivative

Process for producing an addition compound of a dipeptide ester and...

Process for recovering a dipeptide derivative

Addition compound of dipeptide derivative and amino acid derivative

Method for manufacturing dipeptides

Addition compound of dipeptide derivative and amino acid derivative

Process for recovering protease

Process for recovering protease

Addition compound of dipeptide derivative and amino acid derivative

Process for producing a peptide