2 trademarks were found for owners matching the name Zhihua Yu.
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1 TM: 2274950
Desc: Wanfoou
Owner: Zhihua Yu
Class: 21
Status: Registered: Registered/protected
2 TM: 1501807
Desc: MFPEM
Owner: Zhihua Yang, Yuanyuan Hao
Class: 43
Status: Removed
Not renewed: Renewal fee not paid