Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D985762 | Respiratory mask | Hyo-Jung LEE, Chan Mi Kim | 2023-05-09 |
| 8376402 | Lower type motor driven column apparatus | Sanggyu Yoon, Donghan Lee, Sungjong Hong, Sangchul KU, Munchun Park | 2013-02-19 |