Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451128 | Method for manufacturing high magnetic flux denshy grain oriented electrical steel sheet based on low temperature slab heating method | Chan Han, Jong Soo Woo, Gyu Seung Choi, Jae-Kwan Kim, Byung Deuk Hong +1 more | 2002-09-17 |
| 5653821 | Method for manufacturing oriented electrical steel sheet by heating slab at low temperature | Gyu Seung Choi, Jong Soo Woo, Byung-Deug Hong | 1997-08-05 |
| 5401332 | Grain oriented electrical steel sheet having superior magnetic properties, and manufacturing process thereof | Jong S. Wo | 1995-03-28 |