Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10304286 | Medal circulation device and amusement machine using thereof | Soo Min PARK | 2019-05-28 |
| D767040 | Target device for merchandiser | Soo Min PARK, Hai Kwon Jung, Do-Young Kim | 2016-09-20 |
| 9269214 | Hitting game machine allowing successive input of coins | Eun Joong Koo, Jong Sam Yoon, Geun Seok Heo | 2016-02-23 |
| 9183696 | Merchandiser and method of controlling game thereof | Jong Sam Yoon, Do-Young Kim | 2015-11-10 |