Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976577 | Integrated hydraulic rotary actuator | Sung Moo Ryu, Ki Tak Ahn | 2018-05-22 |
| 6135683 | Parallel mechanism for multi-machining type machining center | Jongwon Kim, Chongwoo Park, Wok-Kwan Bae, Seon-joong Liu, Jinwook Kim +6 more | 2000-10-24 |