Top Inventors at China Oilfield Services Limited 2019
Showing 1–18 of 18 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yongren Feng | 4 |
| 2 | Guiqing Hao | 3 |
| 3 | Jian Li | 1 |
| 3 | Jibin Zou | 1 |
| 3 | Liping Liu | 1 |
| 3 | Minggao Zhou | 1 |
| 3 | Qiang Yu | 1 |
| 3 | Tiemin Liu | 1 |
| 3 | Wanguang Song | 1 |
| 3 | Xiaodong Chu | 1 |
| 3 | Xingfang Wu | 1 |
| 3 | Yanmin ZHOU | 1 |
| 3 | Zanqing Wei | 1 |
| 3 | Zhongli Bao | 1 |
| 3 | Zhongtian Hao | 1 |
| 3 | Zhibin Tian | 1 |
| 3 | Zhijie Yu | 1 |
| 3 | Zichao Ii | 1 |