Issued Patents 2021
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D939478 | Pair of wireless earphones | Haiquan Wu, Huakun Zhang | 2021-12-28 |
| D926726 | Bone conduction headphone | Haofeng ZHANG, Hengnan Dai, Mingmin Wang, Lei Zhong | 2021-08-03 |
| D924130 | Headphone charging case | Haofeng ZHANG, Chaowu LI, Lei Zhong | 2021-07-06 |
| D915345 | Bone conduction headphone | Haofeng ZHANG, Hengnan Dai, Mingmin Wang, Lei Zhong | 2021-04-06 |
| 10924841 | Bluetooth sport earphone | Shiwen Guo, Haiquan Wu, Yuanfa Xin, Ruiwen Shi | 2021-02-16 |
| D909996 | Bone conduction headphone | Haofeng ZHANG, Hengnan Dai, Mingmin Wang, Lei Zhong | 2021-02-09 |
| D907002 | Bone conduction headphone | Haofeng ZHANG, Hengnan Dai, Mingmin Wang, Lei Zhong | 2021-01-05 |