Yoshikazu Takahashi

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic polyester film and production process thereof
- Patent number 7,244,807
- Issue date Jul 17, 2007
- Sumitomo Chemical Company, Limited
- Shinji Ohtomo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Aromatic polyester film and production process thereof
- Publication number 20060142534
- Publication date Jun 29, 2006
- Sumitomo Chemical Company, Limited
- Shinji Ohtomo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...