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Masaji Kasai
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Rockville, MD, US
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last 30 patents
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Patent Grant
Optially active 1-amino-2-(4-hydroxyphenyl)ethylphosphonic acid and...
Patent number
4,733,000
Issue date
Mar 22, 1988
Kyowa Hakko Kogyo Co., Ltd.
Kunikatsu Shirahata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Novel physiologically active substances K-26, a process for prepara...
Patent number
4,683,220
Issue date
Jul 28, 1987
Kyowa Hakko Kogyo Co., Ltd.
Masayuki Yamato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Novel physiologically active substance K-4, a process for preparati...
Patent number
4,522,812
Issue date
Jun 11, 1985
Kyowa Hakko Kogyo Co., Ltd.
Toshiro Koguchi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
9-Epi-mitomycin B and D compounds
Patent number
4,395,558
Issue date
Jul 26, 1983
Kyowa Hakko Kogyo Kabushiki Kaisha
Masaji Kasai
C07 - ORGANIC CHEMISTRY