Koujiro Yamaguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic radial tire with tread having blocks having waved sipes
- Patent number 9,409,446
- Issue date Aug 9, 2016
- Bridgestone Corporation
- Ryoichi Watabe
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
PNEUMATIC RADIAL TIRE
- Publication number 20100212794
- Publication date Aug 26, 2010
- BRIDGESTONE CORPORATION
- Ryoichi Watabe
- B60 - VEHICLES IN GENERAL