Fumio Keitoku

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Patents Grantslast 30 patents

Information Patent Grant
Copolymerized polyester resin composition and stretched film
- Patent number 6,765,070
- Issue date Jul 20, 2004
- Mitsubishi Chemical Corporation
- Koichi Tamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing a copolymerized polyester resin
- Patent number 6,239,249
- Issue date May 29, 2001
- Mitsubishi Chemical Corporation
- Fumio Keitoku
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing aromatic polycarbonate
- Patent number 5,527,875
- Issue date Jun 18, 1996
- Mitsubishi Chemical Corporation
- Masuzo Yokoyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Copolymerized polyester resin composition and stretched film
- Publication number 20020186120
- Publication date Dec 12, 2002
- MITSUBISHI CHEMICAL CORPORATION
- Koichi Tamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for producing a copolymerized polyester resin
- Publication number 20010003775
- Publication date Jun 14, 2001
- Fumio Keitoku
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...