Tetsuo Waku

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rubber covered roll, rubber composition, and image-forming apparatus
- Patent number 5,733,235
- Issue date Mar 31, 1998
- Nippon Zeon Co., Ltd.
- Tetsuo Waku
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rubber composition for tire treads
- Patent number 4,111,867
- Issue date Sep 5, 1978
- Nippon Zeon Co., Ltd.
- Keiji Komuro
- B60 - VEHICLES IN GENERAL