Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9089021 | Controller of an AC-DC converter for LED lighting | — | 2015-07-21 |
| 8248119 | Low power frequency divider and low power phase locked loop including the same | Young Sik Kim | 2012-08-21 |
| 6233157 | Printed circuit board and method for wiring signal lines on the same | Yong Sik Yoon, Jung Woo Lee | 2001-05-15 |
| 5151569 | Microwave cooker having a rotary stirrer and a rotary food support | — | 1992-09-29 |