Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206469 | Headset accommodating apparatus, headset, and portable device | Rongguang Yang, Bin Zhang, Yanguo He | 2021-12-21 |
| 11013301 | Watch clasp capable of finely adjusting watch strap length | Rongguang Yang, Jun Liu, Bin Zhang | 2021-05-25 |