Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440642 | Integrated optical modulator and method for manufacturing the same | Woo Kyung Kim, Woo Seok Yang, Hyung Man Lee | 2008-10-21 |
| 7167607 | Symmetric optical modulator with low driving voltage | Woo Kyung Kim, Woo Seok Yang | 2007-01-23 |
| 6364673 | Electrical outlet cover | — | 2002-04-02 |
| 5996446 | Size adjustable wrench socket | — | 1999-12-07 |
| 5944542 | Plug safety adapter for anti-electric shock | — | 1999-08-31 |