Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12188129 | Surface modified galvanized steel sheet | Yun-Ha Yoo, Joong-Chul Park, Hyun-Ju Jeong, Jae-Dong Cho | 2025-01-07 |
| 11753709 | Hot-dip galvanized steel material having excellent weldability and press workability and manufacturing method therefor | Suk-Kyu Lee, Sang-Heon Kim, Kwang-Tai Min | 2023-09-12 |
| 11591491 | Ink composition for inkjet printed steel plate, inkjet printed steel plate using the same, and method for producing inkjet printed steel plate | Jin Tae Kim, Jung Hwan Lee, Ha-Na CHOI | 2023-02-28 |
| 11383268 | Surface-treated metallic material with easy control of glossiness and manufacturing method therefor | Jung Hwan Lee, Ha-Na CHOI, Jin Tae Kim, Bong-Woo Ha | 2022-07-12 |
| 11332667 | Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby | Rho-Bum Park, Ji Hoon Park, Hoon Yun, Seok-Chan Choe, Kyoung-Pil KO | 2022-05-17 |
| 11299639 | Zinc-based plated steel material having excellent sealer adhesion | Yeon Ho Kim, Yong-Woon Kim, Yung K. Kim | 2022-04-12 |
| 11090907 | Hot dip aluminized steel material having excellent corrosion resistance and workability, and manufacturing method therefor | Ki-Cheol Kang, Hyeon Seok Hwang, Il-Jeong Park | 2021-08-17 |
| 11034132 | High manganese hot dip aluminum-plated steel sheet having excellent sacrificial corrosion resistance and platability and manufacturing method therefor | Young Ha Kim, Chang-Sik Choi, Kwang-Tai Min | 2021-06-15 |
| 11028322 | Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby | Rho-Bum Park, Ji Hoon Park, Hoon Yun, Seok-Chan Choe, Kyoung-Pil KO | 2021-06-08 |
| 10982309 | Hot-rolled galvanized steel sheet having excellent galling resistance, formability and sealer-adhesion property and method for manufacturing same | Sang-Heon Kim, Hyeon Seok Hwang, Suk-Kyu Lee, Sun-Ho Jeon, Bong-Hwan Yoo | 2021-04-20 |
| 10696858 | Ink composition for steel material, having excellent adhesion, method for manufacturing printed steel sheet by using same, and printed steel sheet manufactured thereby | Ha-Na CHOI, Kyung-Pyo Yu, Jin Tae Kim, Chan Hee Park, Jung Hwan Lee | 2020-06-30 |
| 9683294 | Conversion coating composition, surface treated steel sheet, and method for manufacturing the same | Yeon Ho Kim, Young-Jin Kwak, Yang-Ho Choi, Tae-Yeob Kim, Kyoung-Pil KO +2 more | 2017-06-20 |
| 9376576 | Resin composition for a surface treatment, and steel sheet coated with same | Yong-Gyun Jung, Gab Yong Kim, Woon-Jong Kim, Jae-Dong Cho, Jong-Sang Kim +2 more | 2016-06-28 |
| 8956734 | Black resin steel plate having improved drawing ability and good manufacturing the same | Chang-Hoon Choi, Yeon Ho Kim, Jae-Dong Cho | 2015-02-17 |