Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11638090 | Loudspeaker system, loudspeaker, and loudspeaker base | Kaifeng Li, Ziming Wang, Chenggong Ning, Yihong XIE, Minghua Li +1 more | 2023-04-25 |
| 11317198 | Loudspeaker system, loudspeaker, and loudspeaker base | Kaifeng Li, Ziming Wang, Chenggong Ning, Yihong XIE, Minghua Li +1 more | 2022-04-26 |