Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8663570 | Sterilizing apparatus and ion generating apparatus | Hyeon Gi On, Jun Sang Jeon | 2014-03-04 |
| 7833310 | Air filter, elevator having the same and air conditioning control method thereof | Jun Hyoun Kwon, Rae Eun Park | 2010-11-16 |
| 7485265 | Ceramic electrode structure for generating ions, and ion generating apparatus using the same | Rae Eun Park, Jun Hyoun Kwon | 2009-02-03 |