Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7433553 | Hybrid waveguide sensor | Won-Hoe Koo, Dong-Ho Shin, Il Kweon Joung, Gwan Su Lee | 2008-10-07 |
| 7394962 | Optical waveguide for transmitting surface plasmon-polariton wave | Gwan Su Lee, Dong-Ho Shin, Won-Hoe Koo, Il Kweon Joung | 2008-07-01 |
| 6050512 | Uni-directional clutch bearing with on/off switching function | — | 2000-04-18 |