Shinji Ishii

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing onium salt derivatives, and novel onium salt d...
- Patent number 7,335,787
- Issue date Feb 26, 2008
- Toyo Gosei Kogyo Co., Ltd.
- Kyoichi Tomita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing onium salt derivative and novel onium salt de...
- Patent number 6,620,957
- Issue date Sep 16, 2003
- Toyo Gosei Kogyo Co., Ltd.
- Kyoichi Tomita
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for producing onium salt derivatives, and novel onium salt d...
- Publication number 20050176982
- Publication date Aug 11, 2005
- Kyoichi Tomita
- C07 - ORGANIC CHEMISTRY