Ken Umihara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing N-(hetero)aryl-substituted nitrogen-containin...
- Patent number 7,834,183
- Issue date Nov 16, 2010
- Fujifilm Finechemicals Co., Ltd.
- Yuji Ishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 2-pyridylpyridine derivatives
- Patent number 6,489,483
- Issue date Dec 3, 2002
- Sankio Chemical Co., Ltd.
- Hirokazu Suda
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for producing N-(hetero)aryl-substituted nitrogen-containin...
- Publication number 20070135633
- Publication date Jun 14, 2007
- FUJIFILM FINECHEMICALS CO., LTD
- Yuji Ishikawa
- C07 - ORGANIC CHEMISTRY