Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10375462 | Silica gel diaphragm, receiver module, and method for processing silica gel diaphragm | Xiaodong Guo | 2019-08-06 |
| 10341778 | Multifunctional device with vibration function and sound generation function | Chao Xu, Jizong Wang | 2019-07-02 |
| 10284958 | Silica gel diaphragm, speaker module, and method for reprocessing silica gel diaphragm | Xiaodong Guo | 2019-05-07 |