Akihito Tsuchiya

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Biodegradable resin compositions
- Patent number 6,669,771
- Issue date Dec 30, 2003
- National Institute of Advanced Industrial Science and Technology
- Yutaka Tokiwa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Biodegradable resin compositions
- Publication number 20030079654
- Publication date May 1, 2003
- Yutaka Tokiwa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...