Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797372 | Resin-coated steel for fuel tanks of automobile and method for manufacturing the same | Jae Ryung Lee, Sang-Geol Noh, Soo-Hyoun Cho | 2004-09-28 |
| 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 |
| 6387538 | Surface-treated steel sheet for fuel tanks and method of fabricating same | Jae Ryung Lee, Sang Geol No, Soo-Hyoun Cho, Youn-Kyun Song | 2002-05-14 |
| 5803988 | Method for manufacturing non-oriented electrical steel sheet showing superior adherence of insulating coated layer | Byung-Keun Bae, Jong Soo Woo, Wun Gul Lee | 1998-09-08 |