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CHIO-SUNG CHANG

Overall (All Time): #2,181,471 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6911756 Rotor core with magnets on the outer periphery of the core having a sine or trapezoidal wave — 2005-06-28
6707206 Magnetic material fixing structure of motor rotor — 2004-03-16