Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12103451 | Vibration motor assembly of seat | Sang Hark Lee, Sang Do Park, Hyun Seok Song, Chan Ho Jung, Hyun Gyu Sung +8 more | 2024-10-01 |
| 5336379 | Photoelectro-chemical etching method and apparatus of compound semiconductor | Ji H. Chung, Jai K. Wee, Doo Hee Lee | 1994-08-09 |