Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190910 | Apparatus, circuit and method for controlling service access in packet data communication system | Il-Kwon Yun, Yong-Duk Lim, Kyeong-In Jeong | 2021-11-30 |
| 10890853 | Exposure device | Kab Jong SEO, Si Kwang KIM, Yong Hoon YANG | 2021-01-12 |
| 10887730 | Apparatus, circuit and method for controlling service access in packet data communication system | Il-Kwon Yun, Yong-Duk Lim, Kyeong-In Jeong | 2021-01-05 |