Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10312446 | Conductive polymers, the organic photovoltaic cell comprising the same, and the synthesis thereof | Youn-Gu Lee | 2019-06-04 |
| 10289076 | Concierge robot system, concierge service method, and concierge robot | Dae Hoon KIM, Tae Hyun Lee, Cheul Min Kim, Sang Ki Lee | 2019-05-14 |