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Tadashi Shirai
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Musashino, JP
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last 30 patents
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Patent Grant
Process for producing threo-3-amino-2-hydroxy-butanoyl-aminoacetic...
Patent number
4,453,003
Issue date
Jun 5, 1984
Hamao Umezawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic a...
Patent number
4,391,986
Issue date
Jul 5, 1983
Nippon Kayaku Kabushiki Kaisha
Hamao Umezawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing threo-3-amino-2-hydroxybutanoyl-aminoacetic a...
Patent number
4,281,180
Issue date
Jul 28, 1981
Nippon Kayaku Kabushiki Kaisha
Hamao Umezawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Bleomycinic acid and process for preparing thereof
Patent number
RE30413
Issue date
Oct 7, 1980
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Hamao Umezawa
260 - Chemistry of carbon compounds
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Patent Grant
Process for the preparation of optically active .alpha.-phenylglyci...
Patent number
4,115,439
Issue date
Sep 19, 1978
Nippon Kayaku Kabushiki Kaisha
Shigeru Aoki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical resolution of DL-.alpha.-phenylglycine hydrochloride
Patent number
4,107,203
Issue date
Aug 15, 1978
Nippon Kayaku Kabushiki Kaisha
Yasuhisa Tashiro
C07 - ORGANIC CHEMISTRY