trademarks were found for owners matching the name Zhang Siyu.| # | Class | status | |
|---|---|---|---|
| 1 |
S:97692300
M:ISHANG 
O:ZHANG,SIYU |
9 | Registered |
| 2 |
S:97348182
M:COMYUSY O:ZHANG,SIYU |
25 | Registered |
| 3 |
S:97194473
M:FALLALOE O:Zhang, Siyu |
17 | Registered |
| 4 |
S:90753416
M:JOEWUZUN O:Zhang, Siyu |
21 | Dead |
| 5 |
S:90441574
M:WOYU O:ZHANG, SIYU |
25 | Dead |
| 6 |
S:90347287
M:YCZB O:Liu Shengju, ZHANG, SIYU |
14 | Registered |
| 7 |
S:88362243
M:EIOUMAX 
O:Zhang Siyu |
14 | Registered |
