Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7580532 | Multi-channel pulse width modulation apparatus | Dong Han Seo, Oh-Suk Kwon, Jong Woo Kim, Jae Gun Lee | 2009-08-25 |
| 7245896 | Apparatus for improving reception sensitivity of public wave receiver by reducing noise externally-emitted in the public wave receiver | Dong Han Seo, Jong Woo Kim, Oh-Suk Kwon, Jae Geun Lee | 2007-07-17 |