Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10305946 | Method for operating application providing group call service using mobile voice over internet protocol | Young Joon Ryu, Hyang Deok Yim, Jung-Taek Kim, Se Jong Seo, Dae Gil KIM +7 more | 2019-05-28 |
| 7642483 | Glass-plate cutting machine | Ki-Yong You, Min-Young An, Mi-Jee Kim | 2010-01-05 |
| 7638730 | Apparatus for cutting glass plate | Ki-Ryong Yoo, Min-Young An, Mi-Jee Kim | 2009-12-29 |