Kentaro Watanabe

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing new polynuclear poly(formylphenol)
- Patent number RE43067
- Issue date Jan 3, 2012
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- 568 - Organic compounds
Information Patent Grant
Method for producing new polynuclear poly(formylphenol)
- Patent number 7,750,190
- Issue date Jul 6, 2010
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-bis(3-formyl-4-hydroxyphenyl)adamantanes and polynuclear polyph...
- Patent number 7,456,323
- Issue date Nov 25, 2008
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroxyphenyl adamantanes and process for the production of the same
- Patent number 6,720,460
- Issue date Apr 13, 2004
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshikawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING NEW POLYNUCLEAR POLY(FORMYLPHENOL)
- Publication number 20090182175
- Publication date Jul 16, 2009
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Application
1,3-Bis(3-Formyl-4-Hydroxyphenyl)Adamantanes and Polynuclear Polyph...
- Publication number 20080242896
- Publication date Oct 2, 2008
- Honshu Chemical Industry Co., Ltd.
- Akira Yoshitomo
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydroxyphenyl adamantanes and process for the production of the same
- Publication number 20030187307
- Publication date Oct 2, 2003
- Akira Yoshikawa
- C07 - ORGANIC CHEMISTRY