Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415678 | Chemical supply system | Dongwon Kim, Minyoung KIM, Jongkyu Kim, Jinho So, Jaehwa Yang +1 more | 2025-09-16 |
| 12297959 | Gas cylinder automation system | Jinho So, Kwangiun Kim, Chigun An, Huigwan Lee, Junhyong Lee | 2025-05-13 |
| 11959594 | End cap holder for a gas cylinder | Minyoung KIM, Kwangjun Kim, Kyeongsup Byeon, Byungjun AN, Huigwan Lee +1 more | 2024-04-16 |
| 11846391 | Gas supply apparatus | Beomsoo Hwang, Jongkyu Kim, Hyunsik Kim, Kyeongsup Byeon, Byungjun AN +2 more | 2023-12-19 |
| 5650990 | Disc tray in a mini-disc player with an elastically mounted guide roller | — | 1997-07-22 |
| 5572498 | Disc player that loads both compact disc and mini-disc | — | 1996-11-05 |
| 5539717 | Player for reproducing both minidisc and compact disc | — | 1996-07-23 |