Takeshi Hatakeyama

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Injection-molded product with superior dimensional precision
- Patent number 5,153,247
- Issue date Oct 6, 1992
- Mitsubishi Petrochemical Co., Ltd.
- Michiya Okamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Conductive thermoplastic resin composition
- Patent number 5,098,610
- Issue date Mar 24, 1992
- Mitsubishi Petrochemical Co., Ltd.
- Michiya Okamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...