Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1074586 | Earphone case | Haoqian Li | 2025-05-13 |
| D1066905 | Earphone case | ZuShuai Bu, Haoqian Li | 2025-03-18 |
| D1054397 | Earphone | Haoqian Li | 2024-12-17 |
| D1034539 | Earphone | Haoqian Li | 2024-07-09 |
| D1024031 | Earphone | Haoqian Li | 2024-04-23 |
| 7896004 | Trachael intubation tube fixing device with suction tube insertion opening | — | 2011-03-01 |