Masaaki Sunohara

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Omiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sustained-release theophylline tablet
- Patent number 6,426,091
- Issue date Jul 30, 2002
- Nikken Chemicals Co., Ltd.
- Mutsuo Okumura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE