Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128945 | Loudspeaker and method for improving directivity, head-mounted device and method | Yang Hua, Hongwei Zhou, Dehua Li | 2021-09-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128945 | Loudspeaker and method for improving directivity, head-mounted device and method | Yang Hua, Hongwei Zhou, Dehua Li | 2021-09-21 |