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Hiroshi Shiragami
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Kawasaki, JP
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last 30 patents
Information
Patent Grant
Process for producing and purifying 2′,3′-dideoxynu...
Patent number
6,306,647
Issue date
Oct 23, 2001
Ajinomoto Co., Inc.
Hiroshi Shiragami
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process for producing purine derivatives
Patent number
6,252,075
Issue date
Jun 26, 2001
Ajinomoto Co., Inc.
Hiroshi Shiragami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing purine derivatives
Patent number
6,245,910
Issue date
Jun 12, 2001
Ajinomoto Co., Inc.
Kunisuke Izawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing purine derivatives
Patent number
6,087,497
Issue date
Jul 11, 2000
Ajinomoto Co., Inc.
Kunisuke Izawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing purine derivatives
Patent number
5,942,617
Issue date
Aug 24, 1999
Ajinomoto Co., Inc.
Hiroshi Shiragami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing purine derivatives
Patent number
5,831,092
Issue date
Nov 3, 1998
Ajinomoto Co., Inc.
Kunisuke Izawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing acyclic nucleosides and process for separatin...
Patent number
5,792,868
Issue date
Aug 11, 1998
Ajinomoto Co., Inc.
Kunisuke Izawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for isomerizing acyclic nucleosides and process for separat...
Patent number
5,688,948
Issue date
Nov 18, 1997
Ajinomoto Co., Inc.
Kunisuke Izawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrimidine nucleoside derivatives and methods for producing them
Patent number
5,633,366
Issue date
May 27, 1997
Ajinomoto Co., Inc.
Satoshi Takamatsu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2',3'-Dideoxy-2',3'-dehydronucleosides
Patent number
5,625,057
Issue date
Apr 29, 1997
Ajinomoto Co., Inc.
Hiroshi Shiragami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2', 3'- dideoxyinosine
Patent number
5,466,793
Issue date
Nov 14, 1995
Ajinomoto Co., Inc.
Yutaka Honda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying 2',3'-dideoxynucleosides
Patent number
5,451,671
Issue date
Sep 19, 1995
Ajinomoto Co., Inc.
Hiroshi Shiragami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Transglycosilation process for producing acyclic nucleosides
Patent number
5,336,770
Issue date
Aug 9, 1994
Ajinomoto Co., Inc.
Hiroshi Shiragami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of nucleoside derivatives by selective hydrol...
Patent number
5,310,895
Issue date
May 10, 1994
Ajinomoto Co., Inc.
Hiroshi Shiragami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2',3'-dideoxyadenosine
Patent number
5,290,927
Issue date
Mar 1, 1994
Ajinomoto Co., Inc.
Yutaka Honda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing 2',3'-dideoxyinosine
Patent number
4,970,148
Issue date
Nov 13, 1990
Ajinomoto Co., Inc.
Kenzo Yokozeki
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process for purifying 2',3'-dideoxynucleosides
Patent number
4,962,193
Issue date
Oct 9, 1990
Ajinomoto Co., Inc.
Kenzo Yokozeki
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process for producing and purifying 2',3'-dideoxynucleosides, and p...
Patent number
4,835,104
Issue date
May 30, 1989
Ajinomoto Co., Inc., Patent & Licensing Department
Kenzo Yokozeki
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...