Seiji Matsuura

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic vibrational material of fiber reinforcement with epoxy res...
- Patent number 6,037,411
- Issue date Mar 14, 2000
- Sony Corporation
- Kunihiko Tokura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acoustic vibrational material from fiber-reinforced polybutadiene-m...
- Patent number 5,663,220
- Issue date Sep 2, 1997
- Sony Corporation
- Kunihiko Tokura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...