Tetsuo Hori

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Sugamachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
R.sub.2 Co.sub.17 Rare type-earth-cobalt, permanent magnet material...
- Patent number 4,213,803
- Issue date Jul 22, 1980
- TDK Electronics Company Limited
- Tetsuhito Yoneyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Permanent magnet material and process for producing the same
- Patent number 4,210,471
- Issue date Jul 1, 1980
- TDK Electronics, Co., Ltd.
- Tetsuhito Yoneyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...