Yasuhide Sasakawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methods for manufacturing R-Fe-B type magnet raw material powder an...
- Patent number 6,149,861
- Issue date Nov 21, 2000
- Sumitomo Special Metals Co., Ltd.
- Yuji Kaneko
- B22 - CASTING POWDER METALLURGY