Kouki Tokuhara

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Takatsuki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Corrosion-resistant permanent magnet and method for preparing the same
- Patent number 4,959,273
- Issue date Sep 25, 1990
- Sumitomo Special Metals Co., Ltd.
- Atsushi Hamamura
- H01 - BASIC ELECTRIC ELEMENTS