Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11565246 | Photocatalytic filter, method for manufacturing the same, and method for reactivating the same | Daewoong Suh, Jaeseon Yi, Geundo Cho, Doug Youn Lee, Kyung Sik Yoon | 2023-01-31 |
| 10213779 | Photocatalytic filter, method for manufacturing the same, and method for reactivating the same | Daewoong Suh, Jaeseon Yi, Geundo Cho, Doug Youn Lee, Kyung Sik Yoon | 2019-02-26 |
| D764040 | Photocatalyst filter for air cleaners | Geun-Do Cho, Doug Youn Lee, Yun-Hee Lee, Seong Min Lee, Jae Seon Lee | 2016-08-16 |