Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12232547 | Tracking and alert method and system for worker productivity and safety | — | 2025-02-25 |
| 10724619 | Compound transmission of combining differential gear and continuously variable transmission | Chol Woo Lee, Chan Hee Park | 2020-07-28 |
| 10119828 | Device, method and update server for automatically updating navigation system | — | 2018-11-06 |
| 10046333 | Method of restoring arsenic-contaminated soil using alkaline-ultrasonic washing and magnetic separation | Jae Gon Kim, Chul Min Chon, In Hyun Nam, Jung-Hwa Lee, Dong Hyun Seok | 2018-08-14 |
| 9457356 | Particle separation apparatus | Jae Gon Kim, Jung-Hwa Lee, In Hyun Nam, Chul Min Chon | 2016-10-04 |
| D704486 | Collapsible tripod for music stand | — | 2014-05-13 |
| 8475080 | Method for remediating arsenic-contaminated soil | Jae Gon Kim, Jung-Hwa Lee, Joo-Sung Ahn, Choon-Oh Lee, Ho-Cheol Song | 2013-07-02 |
| D684762 | Violin case | — | 2013-06-25 |
| 8430598 | Method of remediating cyanide-contaminated soil | Jae Gon Kim, Jung-Hwa Lee, Young Woo Choi | 2013-04-30 |