Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hou-You Han | Polygroup Macau Limited (Bvi) | 3 |
| 1 | Haixing Ye | — | 3 |
| 3 | Kunpeng Yao | Cnpc Chuanqing Drilling Engineering Company Limited | 1 |
| 3 | Wencai Chen | Cnpc Chuanqing Drilling Engineering Company Limited | 1 |
| 3 | Jinhuan SU | — | 1 |
| 3 | Ansen CHIEW | — | 1 |
| 3 | Congming ZENG | — | 1 |
| 3 | Shiming Dong | Cnpc Chuanqing Drilling Engineering Company Limited | 1 |
| 3 | Jianlin Yao | Cnpc Chuanqing Drilling Engineering Company Limited | 1 |