Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228485 | Apparatus for diluting exhaust gas | Gunhee LEE, Inyong Park, Sang Bok Kim, Keejung Hong, Hak Joon Kim +2 more | 2025-02-18 |
| 11883781 | Apparatus and method for removing nitrogen oxide from exhaust gas | Hak Joon Kim, Yong Jin Kim | 2024-01-30 |
| 11474008 | Exhaust gas dilution device | Chang Gyu Woo, Hak Joon Kim, Yong Jin Kim | 2022-10-18 |
| 10399091 | Electrostatic precipitation device for removing particles in explosive gases | Yong Jin Kim, Hak Joon Kim, ChangGyu Woo | 2019-09-03 |
| 9764334 | Vehicle air purifying apparatus for simultaneously reducing harmful gas and particles | Hak Joon Kim, Yong Jin Kim | 2017-09-19 |