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, Wei CHIU, Yuan-Chun Wang, Hang-Chih Hsu | 2018-04-10 |
| 8910936 | Bill position correction method using the characteristic of step loss of step motor | Shao-Kai Chang, Fong-Cheng WEI | 2014-12-16 |