Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12192368 | User authentication method and unmanned delivery system based on user authentication | Seung Yeob Nam, Seong-Eun Yang | 2025-01-07 |
| 11946302 | Home appliance | Simon Edward Ireland, Deok-Sang Yun, Gi Hoon Ko | 2024-04-02 |
| 11838422 | User authentication method and unmanned delivery system based on user authentication | Seung Yeob Nam, Seong-Eun Yang | 2023-12-05 |
| D951872 | Remote controller | Jae-Ho Jang, Min-Kyung Choi, Deok-Sang Yun, Sang In Lee | 2022-05-17 |
| D937103 | Measuring instrument for air pollution | Min-Kyung Choi | 2021-11-30 |
| D921868 | Air purifier | Jae-Ho Jang, Sang In Lee, Deok-Sang Yun, Min-Kyung Choi, Seung Mok Lee | 2021-06-08 |
| 9420926 | Vacuum cleaner | Dong-Won Chun, Yeon-Young Nam, Deok-Sang Yun, Hwan-Woong Choi | 2016-08-23 |
| D731725 | Handle for vacuum cleaner | Jae-Ho Jang, Yeon-Young Nam, Sung-Kyung Lee | 2015-06-09 |
| D722411 | Vacuum cleaner | Dong-Won Chun, Deok-Sang Yun | 2015-02-10 |
| D711604 | Vacuum cleaner | Dong-Won Chun | 2014-08-19 |
| D706504 | Vacuum cleaner | Dong-Won Chun, Jae-Ho Jang | 2014-06-03 |
| D674158 | Extension pipe for vacuum cleaner | Joo Hyung Kim | 2013-01-08 |