Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8755544 | Earphone power amplifier, working method, and mobile terminal equipment | Haitao Zhen, Yongxiang Yang | 2014-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8755544 | Earphone power amplifier, working method, and mobile terminal equipment | Haitao Zhen, Yongxiang Yang | 2014-06-17 |