Keigo Sato

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Tokushima-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phosphonic diester derivatives
- Patent number 5,985,858
- Issue date Nov 16, 1999
- Otsuka Pharmaceutical Factory, Inc.
- Kazuyoshi Miyata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphonic ester derivatives of quinazolinones
- Patent number 5,798,344
- Issue date Aug 25, 1998
- Otsuka Pharmaceutical Factory, Inc.
- Yasuhisa Kuroki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphonic diester derivatives
- Patent number 5,624,918
- Issue date Apr 29, 1997
- Otsuka Pharmaceutical Factory, Inc.
- Yasuhisa Kurogi
- C07 - ORGANIC CHEMISTRY