Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9701425 | Apparatus and method of charging and housing of unmanned vertical take-off and landing (VTOL) aircraft | Sang-Cherl Lee, Dong Young Rew, Eun Sup Sim, Gi Hyuk Choi, Dong Hyun Cho +11 more | 2017-07-11 |
| 7578727 | Conditioner device for conditioning polishing pad and chemical mechanical polishing apparatus including the same | Dong-Jun Lee, Kyoung-Moon Kang, Nam-Soo Kim, Bong-Su Ahn | 2009-08-25 |