Hirokazu Ohsawa

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
N-acyl cyclic amine derivatives
- Patent number 6,140,333
- Issue date Oct 31, 2000
- Banyu Pharmaceutical Co. Ltd.
- Yoshimi Tsuchiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorine-containing 1, 4-disubstituted piperidine derivatives
- Patent number 6,040,449
- Issue date Mar 21, 2000
- Banyu Pharmaceutical Co. Ltd.
- Yoshimi Tsuchiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorine-containing 1,4-disubstituted piperidine derivatives
- Patent number 5,948,792
- Issue date Sep 7, 1999
- Banyu Pharmaceutical Co., Ltd.
- Yoshimi Tsuchiya
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,4-di-substituted piperidine derivatives
- Patent number 5,750,540
- Issue date May 12, 1998
- Banyu Pharmaceutical Co., Ltd.
- Yoshimi Tsuchiya
- C07 - ORGANIC CHEMISTRY