Masaaki Sakai

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve seat made of Fe-based sintered alloy excellent in wear resist...
- Patent number 6,305,666
- Issue date Oct 23, 2001
- Mitsubishi Materials Corporation
- Masaaki Sakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Value guide member formed of Fe-based sintered alloy having excelle...
- Patent number 5,507,257
- Issue date Apr 16, 1996
- Mitsubishi Materials Corporation
- Masaaki Sakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...