Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10354508 | Ink-staining anti-theft cash box | Chia-Min Chang, Hung-Yi Chang, Yi-Hsin Chen | 2019-07-16 |
| 9530267 | Coin hopper having an improved coin pushing design | Yi-Hsin Chen | 2016-12-27 |
| 8556061 | Coin/bill acceptor | Chih-Sheng Cheng, Teng-Chou Hsiao | 2013-10-15 |
| 7270599 | Coin outlet unit | Ting-Kuo Lin | 2007-09-18 |