Hiroshi Wakamatsu

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon black and rubber composition containing same
- Patent number 7,482,401
- Issue date Jan 27, 2009
- The Yokohama Rubber Co., Ltd.
- Tomoaki Sugiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Carbon black and rubber composition containing same
- Publication number 20060079625
- Publication date Apr 13, 2006
- Tomoaki Sugiyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...