Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797372 | Resin-coated steel for fuel tanks of automobile and method for manufacturing the same | Jae Ryung Lee, Sam-Kyu Chang, Soo-Hyoun Cho | 2004-09-28 |
| 6565671 | Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the same | Jae Ryung Lee, Sam-Kyu Chang, Soo-Hyoun Cho | 2003-05-20 |