Kazuma Nakazawa

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic powder for bonded magnets, composition for bonded magnets...
- Patent number 5,578,670
- Issue date Nov 26, 1996
- Bridgestone Corporation
- Kazuma Nakazawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...