Keiko Koh

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing imidazole derivative
- Patent number 6,005,105
- Issue date Dec 21, 1999
- Pharmacia and Upjohn Company
- Hiroyoshi Yamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazobenzoquinones and composition for preventing or treating hyp...
- Patent number 5,506,361
- Issue date Apr 9, 1996
- TheUpjohn Company
- Keiko Koh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazole derivatives and pharmaceutical compositions containing th...
- Patent number 5,442,062
- Issue date Aug 15, 1995
- The Upjohn Company
- Keiko Koh
- C07 - ORGANIC CHEMISTRY