Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10293067 | Two-sided, surface light source device using LED | — | 2019-05-21 |
| 10292220 | Light emitting device for AC power operation | Chung Hoon Lee, James S. Speck, Hong San Kim, Sung Han Kim, Jae Ho Lee | 2019-05-14 |
| 10173909 | Tubular fluid purification apparatus | — | 2019-01-08 |