Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9497143 | Method and system for providing on-air service using official account | Hyuk Sung Chung, Ryuichi Kumai, Donghyun Kim, Youngsu Ko, Yusuke Katagiri +2 more | 2016-11-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9497143 | Method and system for providing on-air service using official account | Hyuk Sung Chung, Ryuichi Kumai, Donghyun Kim, Youngsu Ko, Yusuke Katagiri +2 more | 2016-11-15 |