Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11516588 | Sound production device and portable terminal | Lianshan Ge, Chunfa Liu | 2022-11-29 |
| 11490193 | Terminal apparatus | Zhilei Han | 2022-11-01 |
| 11483660 | Sound production apparatus and portable terminal | Guodong Zhao, Lianshan Ge, Chunfa Liu | 2022-10-25 |
| 11477577 | Sounding device and portable terminal | Lianshan Ge, Chunfa Liu | 2022-10-18 |
| 11317217 | Sound device and portable terminal | Jianjian Wang, Tongyan Xu, Chunfa Liu | 2022-04-26 |