Yutaka Kobayashi

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Propylene/ethylene block copolymer composition for exterior automot...
- Patent number 6,818,690
- Issue date Nov 16, 2004
- Idemitsu Petrochemical Co., Ltd.
- Yutaka Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene-based resins and polypropylene-based resin compositions
- Patent number 5,985,973
- Issue date Nov 16, 1999
- Idemitsu Petrochemical Co., Ltd.
- Takashi Sumitomo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Molded protective strip for automobiles
- Patent number 5,574,087
- Issue date Nov 12, 1996
- Idemitsu Petrochemical Co., Ltd.
- Yutaka Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene resin composition
- Patent number 5,486,561
- Issue date Jan 23, 1996
- Idemitsu Petrochemical Co., Ltd.
- Koki Hirano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polypropylene resin composition and a molded article thereof
- Patent number 5,480,932
- Issue date Jan 2, 1996
- Idemitsu Petrochemical Co., Ltd.
- Yutaka Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...