Jun-Bum AN

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Bucheon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing single-pole only usable magnet
- Patent number 11,141,788
- Issue date Oct 12, 2021
- DAE HAN SPECIAL METAL IND CO., LTD.
- Jun-Bum An
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING SINGLE-POLE ONLY USABLE MAGNET
- Publication number 20200030881
- Publication date Jan 30, 2020
- Jun-Bum AN
- B22 - CASTING POWDER METALLURGY