Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1084351 | Audiphone | Chengxiang Zhang, Zhiqiang Su | 2025-07-15 |
| D1076801 | Charging box | Chengxiang Zhang | 2025-05-27 |
| D1076103 | Audiphone | Chengxiang Zhang | 2025-05-20 |
| D1075661 | Charging box | Chengxiang Zhang | 2025-05-20 |
| D1076102 | Audiphone | Chengxiang Zhang | 2025-05-20 |
| 10798500 | Behind-the-ear hearing aid | Chengxiang Zhang | 2020-10-06 |
| D896387 | Hearing aid | Chengxiang Zhang | 2020-09-15 |
| D896388 | Main unit of hearing aid | Chengxiang Zhang | 2020-09-15 |
| D872280 | Hearing aid | Chengxiang Zhang | 2020-01-07 |