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Yunchang Yu

JA Johnson Electric International Ag: 1 patents #163 of 404Top 45%
Overall (All Time): #2,774,986 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10559935 Electric motor and brush thereof Jingxin Shi, Sijun Zhao, Luyan Bi, Pingman Zhang, Lang Dai +5 more 2020-02-11