Kazuhisa Takayama

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pyrido[2,3-D]pyrimidine derivatives and pharmaceutical compositions...
- Patent number 6,136,810
- Issue date Oct 24, 2000
- Yamanouchi Pharmaceutical Co., Ltd.
- Kazuhisa Takayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthyridine derivatives and pharmaceutical compositions thereof
- Patent number 5,817,670
- Issue date Oct 6, 1998
- Yamanouchi Pharmaceutical Co., Ltd.
- Kazuhisa Takayama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,4-dihydro-2H-1,4-benzoxazine derivatives and pharmaceutical compo...
- Patent number 5,420,126
- Issue date May 30, 1995
- Yamanouchi Pharmaceutical Co., Ltd.
- Yuzo Matsumoto
- C07 - ORGANIC CHEMISTRY