Yuji Kawauchi

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Muroran, JP

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Patents Grantslast 30 patents

Information Patent Grant
Long-life induction-hardened bearing steel
- Patent number 5,725,690
- Issue date Mar 10, 1998
- Nippon Steel Corporation
- Tatsuro Ochi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High carbon bearing steel having a long life
- Patent number 5,705,124
- Issue date Jan 6, 1998
- Nippon Steel Corporation
- Tatsuro Ochi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Long-life carburizing bearing steel
- Patent number 5,698,159
- Issue date Dec 16, 1997
- Nippon Steel Corporation
- Tatsuro Ochi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steel containing super-finely dispersed oxide system inclusions
- Patent number 5,690,753
- Issue date Nov 25, 1997
- Nippon Steel Corporation
- Yuji Kawauchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of preliminary desiliconization of molten iron by injecting...
- Patent number 4,394,165
- Issue date Jul 19, 1983
- Nippon Steel Corporation
- Shingo Satoh
- C21 - METALLURGY OF IRON