Toshihiko Akiyama

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cycloalkenone derivative
- Patent number 6,943,195
- Issue date Sep 13, 2005
- Nikken Chemicals Co., Ltd.
- Toshihiko Akiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-anilino-2-cycloalkenone derivatives
- Patent number 6,235,736
- Issue date May 22, 2001
- Nikken Chemicals Co., Ltd.
- Shinji Ina
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Cycloalkenone derivative
- Publication number 20040157933
- Publication date Aug 12, 2004
- Toshihiko Akiyama
- C07 - ORGANIC CHEMISTRY