Hiroshi Ohta

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyolefin foam sheet
- Patent number 5,198,271
- Issue date Mar 30, 1993
- Bridgestone Corporation
- Seiji Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...