Keigo Kosaka

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carboxylic acid compound having condensed ring, salt thereof and ph...
- Patent number 5,753,670
- Issue date May 19, 1998
- The Green Cross Corporation
- Shinichiro Ono
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carboxylic acid compound having condensed ring, salt thereof and ph...
- Patent number 5,635,527
- Issue date Jun 3, 1997
- The Green Cross Corporation
- Shinichiro Ono
- C07 - ORGANIC CHEMISTRY