Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009152 | Refined coordinate detection method and error correction method for touch panel | Yong-Churl Kim | 2011-08-30 |
| 7688455 | Multi position detecting method and area detecting method in infrared rays type touch screen | Yong Chul Kim | 2010-03-30 |
| 7508262 | Envelope elimination and restoration amplifier harmonic energy recovery system and method | Paul Wagner | 2009-03-24 |