EC

Er-Yun Chang

IU I-Shou University: 1 patents #50 of 165Top 35%
Overall (All Time): #2,783,637 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10608527 Power supply apparatus Chun-An Cheng, Chin-Chih Lai, Man Chang 2020-03-31