Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7504280 | Nonvolatile memory device and method of manufacturing the same | Yoon Ho Khang, Eun-Hye Lee, Joo-Hyun Lee | 2009-03-17 |
| 6933213 | Method for fabricating group III-V compound semiconductor substrate | — | 2005-08-23 |
| 6657237 | GaN based group III-V nitride semiconductor light-emitting diode and method for fabricating the same | Joon-seop Kwak, Jae-Hee Cho, Su-hee Chae | 2003-12-02 |
| 6551848 | Method for fabricating semiconductor light emitting device | Joon-seop Kwak | 2003-04-22 |
| 6077409 | Air-to-fuel ratio sensor | Jong-heun Lee | 2000-06-20 |