Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10200793 | Diaphragm assembly and loudspeaker having same | Jianbin Yang | 2019-02-05 |
| 9838817 | Loudspeaker diaphragm and manufacturing method thereof | Yonghua Zhang, Chengzong Ji | 2017-12-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10200793 | Diaphragm assembly and loudspeaker having same | Jianbin Yang | 2019-02-05 |
| 9838817 | Loudspeaker diaphragm and manufacturing method thereof | Yonghua Zhang, Chengzong Ji | 2017-12-05 |