Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Liben Huang | China National Petroleum | 1 |
| 1 | Chengbao Li | China National Petroleum | 1 |
| 1 | Yuliang Lou | China National Petroleum | 1 |
| 1 | Yizhang Li | China National Petroleum | 1 |
4 patents · 4 inventors
Ranked #73,472 of 111,555 cities Top 70%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Liben Huang | China National Petroleum | 1 |
| 1 | Chengbao Li | China National Petroleum | 1 |
| 1 | Yuliang Lou | China National Petroleum | 1 |
| 1 | Yizhang Li | China National Petroleum | 1 |