Ryoichi Ichikawa

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Yotsukaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for injection molding of polyolefin containing inorganic filler
- Patent number 4,244,910
- Issue date Jan 13, 1981
- Mitsubishi Petrochemical Co., Ltd.
- Hiroshi Yui
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL