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 | Chung San Lee, Chan Han, Jong Soo Woo, 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 | Chung San Lee, Jong Soo Woo, Byung-Deug Hong | 1997-08-05 |
| 5617746 | Pressure dehydration low-frequency vibration washing machine | Kyung Seop Hong, Dong Yeop Oh, Joo Hwan Lee, Oh-Hun Kwon, Ha I. Lee +1 more | 1997-04-08 |