Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759202 | Ribbon rewinding mechanism for providing stable ribbon tension in a printer | Yu-Zhi Chen, I-CHE YU, Yan Chen | 2020-09-01 |
| 10618311 | Label printer | Chih-Yu Chen | 2020-04-14 |