Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072838 | Method and device for magnetic domain refinement of oriented electrical steel plate | Seung-Ho Lim, Do Ryun Lee, Jin Ho Kim, Myung Sik Chun, Seong Cheol Hong | 2021-07-27 |
| 11065720 | Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor | Seong Cheol Hong, Ki-Young Min, Se-Min Park, Oh-Yeoul Kwon, Jae Kyoum Kim | 2021-07-20 |
| 11060163 | Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor | Seong Cheol Hong, Jae Kyoum Kim, Ki-Young Min, Se-Min Park, Myung Sik Chun +2 more | 2021-07-13 |
| 11000920 | Method and device for magnetic domain refinement of oriented electrical steel plate | Myung Sik Chun, Seong Cheol Hong, Ki-Young Min | 2021-05-11 |