Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9940770 | Coin machine using proximity and ambient light sensing technology | Chia-Min Chang, Shao-Po Chan, Ming-Hua TSOU, Wei CHIU, Hang-Chih Hsu | 2018-04-10 |
| 8795039 | Troubleshooted coin output method | — | 2014-08-05 |