Masao Yamamoto

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of 2-(10,11-dihydro-10-oxodibenzo-[b,f]thiepin-2-yl) pr...
- Patent number 6,111,115
- Issue date Aug 29, 2000
- Nippon Chemiphar Co., Ltd.
- Masao Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Glycerol derivative and anti-hypertensive agent
- Patent number 5,183,811
- Issue date Feb 2, 1993
- Nippon Chemiphar Co., Ltd.
- Mitsuo Masaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain glyceryl phosphate-cyclic ammonium compounds useful for tre...
- Patent number 5,053,402
- Issue date Oct 1, 1991
- Nippon Chemiphar Co., Ltd.
- Mitsuo Masaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active piperazine derivative
- Patent number 4,978,666
- Issue date Dec 18, 1990
- Nippon Chemiphar Co., Ltd.
- Hiroyuki Nohira
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic glycerol derivatives and their use as anti-hypertensiv...
- Patent number 4,962,096
- Issue date Oct 9, 1990
- Nippon Chemiphar Co., Ltd.
- Mitsuo Masaki
- C07 - ORGANIC CHEMISTRY