Yoshikazu Kawahara

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Omiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
N-hydroxyurea derivative and pharmaceutical composition containing...
- Patent number 6,291,482
- Issue date Sep 18, 2001
- Nikken Chemicals Co., Ltd.
- Hiromasa Ohmori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-hydroxyurea derivative and pharmaceutical composition containing...
- Patent number 6,184,238
- Issue date Feb 6, 2001
- Nikken Chemicals Co., Ltd.
- Michika Takano
- C07 - ORGANIC CHEMISTRY