Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158149 | Fluid transfer apparatus | Yongkwon Koh, Kijong Jang | 2024-12-03 |
| 11958062 | Float sorting device for selective separation of non-metallic minerals | Bongju Kim, Yongkwon Koh | 2024-04-16 |
| 11867179 | Fluid transfer apparatus with a plurality of rotor housings arranged at different angularity with the neighboring rotor housings | Yongkwon Koh, Minhoon Baik, Jaekwang Lee | 2024-01-09 |
| 11629712 | Fluid transfer device | Yongkwon Koh, Kyuseok Song, Kijong Jang, Bongju Kim | 2023-04-18 |