Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239504 | Switchable Fresnel lens and fabrication method thereof | Seunghee Lee, JounHo LEE, Sanghoon Oh | 2016-01-19 |
KK
Kyungki Kim
Overall (All Time): #2,983,281 of 4,157,543Top 75%
1
Patents All Time