Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D939628 | Electronic whiteboard | Joe Hyun, Yongho Lee, Jiyeon Lee | 2021-12-28 |
| D938519 | Electronic blackboard | Yongho Lee, Jiyeon Lee, Joe Hyun | 2021-12-14 |
| D915405 | Stylus for touch screens | Yongho Lee, Joe Hyun | 2021-04-06 |
| D909474 | Electronic whiteboard | Yongho Lee, Joe Hyun | 2021-02-02 |