Top Inventors at Qingdao Huatian Hand Truck Co. All Time
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Zhijun Liu | 8 |
| 2 | Michael Liu | 3 |
| 3 | Minoru Mizuguchi | 2 |
| #4 | Zhi Liu | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Zhijun Liu | 8 |
| 2 | Michael Liu | 3 |
| 3 | Minoru Mizuguchi | 2 |
| #4 | Zhi Liu | 1 |