Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172750 | Hydrogel discharge device | Junsoo Park, Jiyeong Ku, Jeehoon BONG, Inji Jang | 2021-11-16 |
| D792865 | Digital communication device | Jung Sik Park, Jang Won Lee | 2017-07-25 |
| D710358 | Portable sub-payment terminal | Jung Sik Park, Jang Won Lee | 2014-08-05 |