Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8459754 | Washing machine | Hyuk Lee | 2013-06-11 |
| 7677199 | Surface treatment system and method | Dong-Sik Youn, Hyun Wook LEE, Samchul Ha | 2010-03-16 |
| 7572339 | Surface treatment system and method thereof | Dong-Sik Youn, Hyun Wook LEE, Samchul Ha, Hyun Woo Jun | 2009-08-11 |
| 7175880 | Surface treatment system and method | Dong-Sik Youn, Hyun Wook LEE, Samchul Ha, Hyun Woo Jun | 2007-02-13 |