Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939623 | High strength steel plate having superior electromagnetic shielding and hot-dip galvanizing properties | Jae-Young Lee, Jin-Gun Sohn, Noi-Ha Cho, Young-Jin Kwak, Soon-joo Kwon +2 more | 2005-09-06 |
| 6893739 | Steel plate and a hot dip galvanizing steel plate having superior electric and magnetic shielding property | Jae-Young Lee, Jin-Gun Sohn, Noi-Ha Cho, Young-Jin Kwak, Soon-joo Kwon +2 more | 2005-05-17 |
| 6773803 | Far-infrared emission powder with antibacterial activity and bio-wave steel plate coated with resin containing same | Jae-Young Lee, Jin-Gun Sohn, Noi-Ha Cho, Ji Eun Oh, Jae-Eok Cho +3 more | 2004-08-10 |
| 6193819 | Method for manufacturing cold rolled shadow mask steel sheet with stacked annealing | Gyosung Kim, Hyun-Gyu Hwang, Joung-Hoon Cheoi, Jong Ho Kim, Young-mo Kim +2 more | 2001-02-27 |
| 6117253 | Cold rolled steel sheet for shadow mask made by low-temperature annealing and manufacturing method therefor | Ki-Soo Kim, Hyun-Gyu Hwang, Chin Kwan Chang, Oh Joon Kwon | 2000-09-12 |