Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9052425 | Silicon solar cell | Kyung Wook Lee, Kyung Yul Lee, Bong-Yul Lee | 2015-06-09 |
| 8422848 | Structure colour of photonic crystals, a method of manufacturing thereof and a manufacturing apparatus thereof | Kyung Wook Lee, Kyung Yul Lee, Bong-Yul Lee | 2013-04-16 |
| 7171919 | Diamond film depositing apparatus using microwaves and plasma | Hee Sik Sohn | 2007-02-06 |