Yuzo Sonoyama

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Sakai, JA

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Patents Grantslast 30 patents

Information Patent Grant
Impact-resistant, flame-retardant resin composition
- Patent number 3,981,843
- Issue date Sep 21, 1976
- Daicel, Ltd.
- Hiroyuki Yoshizaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Self-extinguishing polystyrene resin composition
- Patent number 3,966,677
- Issue date Jun 29, 1976
- Daicel Ltd.
- Yuzo Sonoyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...