Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8663793 | Excellent heat-dissipating black resin composition, method for treating a zinc coated steel sheet using the same and steel sheet treated thereby | Du-Hwan Jo, Jae Ryung Lee, Jin Tae Kim, Hee Gwan Lee | 2014-03-04 |
| 6387538 | Surface-treated steel sheet for fuel tanks and method of fabricating same | Jae Ryung Lee, Soo-Hyoun Cho, Youn-Kyun Song, Sam-Kyu Chang | 2002-05-14 |