Masahide Hamaura

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Propylene resin compositions
- Patent number 6,015,857
- Issue date Jan 18, 2000
- Japan Polychem Corporation
- Yoshihiro Sobajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene resin compositions containing talc
- Patent number 5,747,576
- Issue date May 5, 1998
- Mitsubishi Chemical Corporation
- Yoshihiro Sobajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat-resistant, propylene resin-based molding materials and molded...
- Patent number 5,484,835
- Issue date Jan 16, 1996
- Mitsubishi Chemical Corporation
- Yoshihiro Sobajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing molded products of propylene resin
- Patent number 5,296,186
- Issue date Mar 22, 1994
- Mitsubishi Petrochemical Company Limited
- Yoshihiro Sobajima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL