Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494901 | Ball-dropping sliding sleeve with a removable ball seat | Shengpeng Zhang, Xiaojun Li, Fei Gao, Feiyue Wang, Fuqiang Li | 2019-12-03 |
| 10498517 | Wireless communication device and wireless communication method | Zaixue Wei, Nanxi LI, Dan Zhang, Jinhui Chen | 2019-12-03 |
| 10432277 | Electronic apparatus and radio communication method in radio communication system | Gaosi Li, Jinhui Chen, Zaixue Wei, Nanxi LI | 2019-10-01 |