Shigeaki Harada

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing rubber sheet with rugged patterns formed on...
- Patent number 5,234,647
- Issue date Aug 10, 1993
- Bridgestone Corporation
- Shigeaki Harada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL