Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D931255 | Earphone | Chunyan Zhang, Yongguo Wu, Wei Li | 2021-09-21 |
| D887394 | Earphone | Chunyan Zhang, Xinpeng Feng, Wei Li | 2020-06-16 |
| D821363 | Earphone | — | 2018-06-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D931255 | Earphone | Chunyan Zhang, Yongguo Wu, Wei Li | 2021-09-21 |
| D887394 | Earphone | Chunyan Zhang, Xinpeng Feng, Wei Li | 2020-06-16 |
| D821363 | Earphone | — | 2018-06-26 |