Shunichi Nagashima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sealing of polyolefin-based resin and sealed article of the resin
- Patent number 6,162,320
- Issue date Dec 19, 2000
- Idemitsu Petrochemical Co., Ltd.
- Tomohiro Nagao
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL