Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10321215 | Earphone | Tonghui Guo, Jiangtao Xu | 2019-06-11 |
| 10306349 | Earphone | Yanpeng Zhao, Tonghui Guo, Ping Xie | 2019-05-28 |
| 9654865 | Earphone | Yanpeng Zhao, Jiangtao Xu | 2017-05-16 |