Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9769222 | Method and apparatus for providing ARS service | Dohyoung Kim, Hyunjeong Lee, Kiho Cho, Jungchul Kim, Yesul Ha | 2017-09-19 |
| 8727603 | Lighting apparatus | Jinwoo Park, Seoyoung Jeong | 2014-05-20 |
| 5004175 | Winding core for magnetic tape adapted for stacking | — | 1991-04-02 |