Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11998830 | Swimming timer | Chih-Han KO, Wang-Hsiang KO | 2024-06-04 |
| 11426598 | Reusable adhesive pad with embedded magnets | Chih-Han KO, Wang-Hsiang KO, Wei-Chou Chen | 2022-08-30 |
| 7068159 | Rear lamp set with built in safety sensors | — | 2006-06-27 |