Tsutomu Mashimo

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Kumamoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rare earth-iron-nitrogen system permanent magnet and process for pr...
- Patent number 5,425,818
- Issue date Jun 20, 1995
- Sumitomo Special Metals Co., Ltd.
- Satoshi Hirosawa
- H01 - BASIC ELECTRIC ELEMENTS