Tatsuya Housaki

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ethylene homopolymer and its molded article
- Patent number 6,310,167
- Issue date Oct 30, 2001
- Idemitsu Petrochemical Co., Ltd.
- Mitsugu Kanzawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene block copolymer resin and compositions
- Patent number 5,332,789
- Issue date Jul 26, 1994
- Idemitsu Petrochemical Co., Ltd.
- Akira Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyarylene sulfide from aromatic compound having at least three fu...
- Patent number 5,231,163
- Issue date Jul 27, 1993
- Idemitsu Petrochemical Company, Ltd.
- Wataru Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...