Koichi Kumakura

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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Piperazine derivatives and a medicine containing the same
- Patent number 4,596,803
- Issue date Jun 24, 1986
- Nippon Chemiphar Co., Ltd.
- Tomoh Masaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine derivatives and a medicine containing the same
- Patent number 4,507,297
- Issue date Mar 26, 1985
- Nippon Chemiphar Co., Ltd.
- Tomoh Masaki
- C07 - ORGANIC CHEMISTRY