Hirofumi Tanabe

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Hino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Release-regulating preparations comprising biphenyldiamine derivatives
- Patent number 6,676,968
- Issue date Jan 13, 2004
- Teijin Limited
- Kiyoyuki Sakon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzopyran derivative, process for producing the same and pharmaceu...
- Patent number 5,574,061
- Issue date Nov 12, 1996
- Teijin Limited
- Tatsuki Shiota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzoxa condensed ring compounds, process for producing the same an...
- Patent number 5,496,853
- Issue date Mar 5, 1996
- Teijin Limited
- Tatsuki Shiota
- C07 - ORGANIC CHEMISTRY