Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11516571 | Headphone | Chih-Yuan Huang, I-Chang Liu | 2022-11-29 |
| 10349538 | Fixing structure and neck strap having the same | I-Chang Liu, Chien-Min Yao | 2019-07-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11516571 | Headphone | Chih-Yuan Huang, I-Chang Liu | 2022-11-29 |
| 10349538 | Fixing structure and neck strap having the same | I-Chang Liu, Chien-Min Yao | 2019-07-09 |