Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12283853 | Non-rotating type direct current generator | Hyung Ju Yoo, Nan Kyung Hwang, Sung Kwon Yu | 2025-04-22 |
| 12176799 | Non-rotating alternating current generating device | Nan Kyung Hwang, Hyung Ju Yoo, Sung Kwon Yu | 2024-12-24 |