Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781207 | Galvanized steel sheet having excellent hardness and galling resistance | Yong-Hwa Jung, Kyoung-Pil KO, 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, Kyoung-Pil KO +3 more | 2023-05-16 |
| 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, Kyoung-Pil KO +3 more | 2021-12-28 |
| 11167347 | Apparatus and method for feeding material | Seung-Ho Lim, Goo-Hwa Kim, Yeong Seon Park | 2021-11-09 |
| 10988845 | Plated steel sheet having multilayer structure and manufacturing method therefor | Kyoung-Pil KO, Tae-Yeob Kim, Dong-Yoeul Lee, Yong-Hwa Jung, Woo-Sung Jung | 2021-04-27 |
| 10196736 | Heating apparatus, and coating device comprising same | Yong-Hwa Jung, Mun-Jong Eom, Woo-Sung Jung, Seok-Jun Hong, Young-Jin Kwak +2 more | 2019-02-05 |
| 9982342 | Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion | Dong-Yoeul Lee, Yong-Hwa Jung, Seok-Jun Hong, Tae-Yeob Kim, Young-Jin Kwak +2 more | 2018-05-29 |
| 9957619 | Phosphate solution for zinc or zinc-based alloy plated steel sheet, and zinc or zinc-based alloy plated steel sheet using the same | Young-Jin Kwak, Yong-Hwa Jung, Tae-Yeob Kim, Dong-Yoeul Lee, Seok Won Cho +6 more | 2018-05-01 |
| 9744743 | Zn—Mg alloy plated steel sheet, and method for manufacturing same | Woo-Sung Jung, Seok-Jun Hong, Dong-Yoeul Lee, Yong-Hwa Jung, Young-Jin Kwak +2 more | 2017-08-29 |
| 9732423 | Dry coating apparatus | Mun-Jong Eom, Young-Jin Kwak, Woo-Sung Jung, Tae-Yeob Kim, Dong-Yoeul Lee +6 more | 2017-08-15 |
| 9441302 | Method for manufacturing Zn—Mg alloy-coated steel sheet having high blackening resistance and coating adhesion | Dong-Yoeul Lee, Yong-Hwa Jung, Seok-Jun Hong, Tae-Yeob Kim, Young-Jin Kwak +2 more | 2016-09-13 |
| 9382630 | Zinc alloy coated steel sheet having good sealer adhesion and corrosion resistance and process of manufacturing the same | Young-Jin Kwak, Dong-Yoeul Lee, Sang Cheol Lee, Yong-Hwa Jung, Woo-Sung Jung +3 more | 2016-07-05 |
| 9296903 | Film formation composition for preventing blackening of steel sheet, and steel sheet having film formed by composition | Young-Jin Kwak, Dong-Yun Kim, Woo-Sung Jung, Dong-Yoeul Lee, Seok-Jun Hong +8 more | 2016-03-29 |
| 9267203 | Continuous coating apparatus | Young-Jin Kwak, Dong-Yoeul Lee, Tae-Yeob Kim, Yong-Hwa Jung, Kyoung-Bo Kim +4 more | 2016-02-23 |
| 8926756 | Strip passing apparatus, apparatus for treating surface of strip with the same, and method for treating surface of strip | Dong-Yoeul Lee, Mun-Jong Eom, Kyoung-Bo Kim, Yong-Hwa Jung, Woo-Sung Jung +5 more | 2015-01-06 |