Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11457909 | Sheath device for biportal endoscopic spinal surgery | — | 2022-10-04 |
| 11331091 | Surgical instrument set for use during unilateral biportal endoscopy | Sang-Kyu Son | 2022-05-17 |
| 11278348 | High-frequency treatment device for endoscopic spinal surgery | Sang-Kyu Son, Mingi Kang | 2022-03-22 |
| 11280502 | Air-cooled heat exchanger | Sung Yong Kim, Ok Ki Kim | 2022-03-22 |
| 11272827 | Jet unit, jet nozzle and manufacturing method thereof, and dish washing machine having the same | Chang Wook Lee, Hyun Dong Jung, Chan Young Park, Soo Hyung Yoo, Seung Gee Hong | 2022-03-15 |