Kiyoshi Watanabe

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fc-Pt-Nb permanent magnet with an ultra-high coercive force and a l...
- Patent number 4,863,530
- Issue date Sep 5, 1989
- The Foundation: The Research Institute of Electric and Magnetic Alloys
- Hakaru Masumoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Fe-Pt-Nb permanent magnet with an ultra-high coercive force and a l...
- Patent number 4,814,027
- Issue date Mar 21, 1989
- The Foundation: The Research Institute of Electric and Magnetic Alloys
- Hakaru Masumoto
- C21 - METALLURGY OF IRON
Information Patent Grant
High-coercive-force permanent magnet with a large maximum energy pr...
- Patent number 4,481,045
- Issue date Nov 6, 1984
- The Foundation: The Research Institute of Electric and Magnetic Alloys
- Kiyoshi Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-coercive-force permanent magnet with a large maximum energy pr...
- Patent number 4,465,526
- Issue date Aug 14, 1984
- The Foundation: The Research Institute of Electric and Magnetic Alloys
- Kiyoshi Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Permanent magnet having ultra-high coercive force and large maximum...
- Patent number 4,396,441
- Issue date Aug 2, 1983
- The Foundation: The Research Institute of Electric and Magnetic Alloys
- Hakaru Masumoto
- H01 - BASIC ELECTRIC ELEMENTS