Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434384 | Weight compensation mechanism and method using bevel gear and robot arm using the same | Sung-Chul Kang, Woo Sub Lee, Chang-Hyun Cho | 2013-05-07 |
| 8366560 | Coupling device for coupling a rotating shaft and a rotating member, and rotating device using the same | Woo Sub Lee, Sung-Chul Kang, Mun Sang Kim, Jun-Ho Choi | 2013-02-05 |