Sinichi Ohnishi

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength spring steel
- Patent number 5,286,312
- Issue date Feb 15, 1994
- Kabushiki Kaisha Kobe Seiko Sho
- Masataka Shimotsusa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...