Hiromu Takahashi

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Matsudo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Benzopyran derivatives and an anti-allergic agent possessing the sa...
- Patent number 5,428,059
- Issue date Jun 27, 1995
- Dainippon Ink and Chemicals, Inc.
- Hidetsugu Takagaki
- C07 - ORGANIC CHEMISTRY