Akihiro Watanabe

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Shinagawa-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic polycarbonate-styrene polymer resin composition
- Patent number 6,069,206
- Issue date May 30, 2000
- Asahi Kasei Kogyo Kabushiki Kaisha
- Hajime Nishihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate-styrene polymer resin composition
- Patent number 5,900,446
- Issue date May 4, 1999
- Asahi Kasei Kogyo Kabushiki Kaisha
- Hajime Nishihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic copolymer, method for production thereof, and thermop...
- Patent number 5,559,187
- Issue date Sep 24, 1996
- Asahi Kasei Kogyo Kabushiki Kaisha
- Katsuaki Maeda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a vinyl terpolymer using reactors arranged in...
- Patent number 5,310,831
- Issue date May 10, 1994
- Asahi Kasei Kabushiki Kaisha
- Katsuaki Maeda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...