Yoshihiro Ashino

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Chigasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of refining metal to high degree of purity and high-frequenc...
- Patent number 6,049,559
- Issue date Apr 11, 2000
- Shinko Electric Co., Ltd.
- Kenji Abiko
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of refining metal to high degree of purity and high-frequenc...
- Patent number 5,974,077
- Issue date Oct 26, 1999
- Shinko Electric Co., Ltd.
- Kenji Abiko
- C21 - METALLURGY OF IRON