2 trademarks were found for owners matching the name Zhihua Yang.
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1 TM: 1844711
Desc: GUOTE
Owner: ZHIHUA YANG
Class: 30
Status: Registered: Registered/protected
2 TM: 1501807
Desc: MFPEM
Owner: Zhihua Yang, Yuanyuan Hao
Class: 43
Status: Removed
Not renewed: Renewal fee not paid