Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781207 | Galvanized steel sheet having excellent hardness and galling resistance | Kyung-Hoon Nam, Yong-Hwa Jung, Tae-Yeob Kim, Woo-Sung Jung | 2023-10-10 |
| 11649542 | Multi-layered zinc alloy plated steel having excellent spot weldability and corrosion resistance | Young-Jin Kwak, Goo-Hwa Kim, Mun-Jong Eom, Seok-Jun Hong, Yong-Hwa Jung +3 more | 2023-05-16 |
| 11332667 | Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby | Rho-Bum Park, Yon-Kyun Song, Ji Hoon Park, Hoon Yun, Seok-Chan Choe | 2022-05-17 |
| 11208716 | Multi-layered zinc alloy plated steel having excellent spot weldability and corrosion resistance | Young-Jin Kwak, Goo-Hwa Kim, Mun-Jong Eom, Seok-Jun Hong, Yong-Hwa Jung +3 more | 2021-12-28 |
| 11028322 | Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby | Rho-Bum Park, Yon-Kyun Song, Ji Hoon Park, Hoon Yun, Seok-Chan Choe | 2021-06-08 |
| 10988845 | Plated steel sheet having multilayer structure and manufacturing method therefor | Kyung-Hoon Nam, Tae-Yeob Kim, Dong-Yoeul Lee, Yong-Hwa Jung, Woo-Sung Jung | 2021-04-27 |
| 9683294 | Conversion coating composition, surface treated steel sheet, and method for manufacturing the same | Yeon Ho Kim, Young-Jin Kwak, Yon-Kyun Song, Yang-Ho Choi, Tae-Yeob Kim +2 more | 2017-06-20 |