Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667105 | Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheet | Young Jong Yoo, Seok Joo Lee | 2003-12-23 |
| 6565671 | Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same | Jae Ryung Lee, Sang-Geol Noh, Soo-Hyoun Cho | 2003-05-20 |