Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8802062 | Apparatus and method for whitening teeth | Ji-Young Kim, Jong Ho Kim, Sug-Youn Chang, Sei-Young Yun, Sang Hoon Kwak | 2014-08-12 |
| 8652446 | Apparatus and method for whitening teeth | Ji-Young Kim, Jong Ho Kim, Sug-Youn Chang, Sei-Young Yun, Sang Hoon Kwak | 2014-02-18 |