Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221702 | Surface treatment solution composition containing trivalent chromium and inorganic compound, and method for manufacturing hot dip galvanized steel sheet surface-treated using same | Kang-min Lee | 2025-02-11 |
| 12194491 | Ternary hot-dip galvannealed steel sheet surface treatment solution composition for providing excellent blackening resistance and alkali resistance, ternary hot-dip galvannealed steel sheet surface-treated using same, and manufacturing method therefor | Won-Ho Son | 2025-01-14 |
| 11634818 | Solution composition containing trivalent chromium for surface treatment of steel sheet, galvanized steel sheet surface—treated with same, and method for manufacturing galvanized | Won-Ho Son | 2023-04-25 |
| 11634819 | Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method therefor | Dae-Chul Bae, Dong-Yun Kim, Chang Hyun Park | 2023-04-25 |
| 11346003 | Solution composition for steel sheet surface treatment, zinc-based plated steel sheet surface-treated with same, and manufacturing method therefor | Dae-Chul Bae, Dong-Yun Kim, Chang Hyun Park | 2022-05-31 |
| 10822705 | Surface-treatment solution composition containing trivalent chromium and inorganic compound, zinc-based plated steel sheet surface-treated using same, and method for producing same | Won-Ho Son, Chang-Hoon Choi | 2020-11-03 |
| 9321147 | Descaling apparatus | Tae-Chul Kim, Young-Sool Jin | 2016-04-26 |
| 8806910 | Method and apparatus for removing scale from hot-rolled steel strip | Young-Sool Jin, Tae-Chul Kim, Kee-Jo Jeong, Young Ki Lee | 2014-08-19 |
| 7723405 | Self-healing coating system | Paul V. Braun, Scott R. White | 2010-05-25 |
| 7612152 | Self-healing polymers | Paul V. Braun, Scott R. White, Nancy R. Sottos, H. Magnus Andersson | 2009-11-03 |
| 6797372 | Resin-coated steel for fuel tanks of automobile and method for manufacturing the same | Jae Ryung Lee, Sam-Kyu Chang, Sang-Geol Noh | 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, Sang-Geol Noh | 2003-05-20 |
| 6387538 | Surface-treated steel sheet for fuel tanks and method of fabricating same | Jae Ryung Lee, Sang Geol No, Youn-Kyun Song, Sam-Kyu Chang | 2002-05-14 |