Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10854489 | Tower lift | Jung Hun Lee, Sung Hyun Lee | 2020-12-01 |
| 8654461 | Lens positioning unit of optical system | Sang Hyun Park | 2014-02-18 |
| 8608400 | Position arrangement device and joint module thereof | Sang Joon Hong, Sang Hyun Park, Ho Seok Choi | 2013-12-17 |