Shintaro Hara

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
Sound absorptive foamed plastic and production method thereof
- Publication number 20060073323
- Publication date Apr 6, 2006
- NIHON TOKUSHU TORYO CO., LTD.
- Yoshiaki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Sound absorptive foamed plastic and production method thereof
- Publication number 20030040547
- Publication date Feb 27, 2003
- Yoshiaki Watanabe
- B32 - LAYERED PRODUCTS