Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11046570 | Drinking liquid supply device and method for controlling same | Kiwon Yu, Youngjin Kim, Kowoon BAEK | 2021-06-29 |
| 10894727 | Drinking-water supply device and method for controlling same | Kiwon Yu, Youngjin Kim | 2021-01-19 |