Terukazu Karashima

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information equipment with polymer film in bearing and disk
- Patent number 6,490,137
- Issue date Dec 3, 2002
- Koyo Seiko Co., Ltd.
- Hiroshi Toyota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...