Qiqihar, CN ranks #7,993 worldwide for total patents filed in 2021, with 11 patents from 3 inventors. Leading employers of inventors based in Qiqihar, CN include Hefei Xinsheng Optoelectronics Technology Co., Shandong University.
Showing 1–3 of 3 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Shifeng Xu | Hefei Xinsheng Optoelectronics Technology Co. | 8 |
| 2 | Shijun Liu | Shandong University | 2 |
| 3 | Baokui Chen | — | 1 |