Koichi Yoshimura

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Hikari, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength, high-toughness stainless steel excellent in resistan...
- Patent number 6,679,954
- Issue date Jan 20, 2004
- Nippon Steel Corporation
- Koji Takano
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength martensitic stainless steel having superior rusting r...
- Patent number 5,433,798
- Issue date Jul 18, 1995
- Nippon Steel Corporation
- Koji Takano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...