Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905587 | Alloy coated steel sheet | Ji Hoon Yang, Kyung Hwang Lee, Yong-Hwa Jung, Tae-Yeob Kim | 2024-02-20 |
| 11731397 | Alloy-coated steel sheet and manufacturing method therefor | Ji Hoon Yang, Yong-Hwa Jung, Tae-Yeob Kim | 2023-08-22 |
| 11608556 | Alloy-coated steel sheet and manufacturing method thereof | Ji Hoon Yang, Yong-Hwa Jung, Tae-Yeob Kim | 2023-03-21 |
| 11555240 | Black plated steel sheet and manufacturing method thereof | Kyung Hwang Lee, Hye-Jeong Kim, Ji Hoon Yang | 2023-01-17 |
| 10619228 | Steel sheet coated with aluminum-magnesium | Ji Hoon Yang, Tae-Yeob Kim, Yonghwa Jung | 2020-04-14 |
| 10106866 | Magnesium-aluminum coated steel sheet | Ji Hoon Yang, Tae-Yeob Kim, Yong-Hwa Jung | 2018-10-23 |
| 9689057 | Steel sheet coated with aluminum-magnesium | Ji Hoon Yang, Tae-Yeob Kim, Yonghwa Jung | 2017-06-27 |
| 9689071 | Graphene-coated steel sheet, and method for manufacturing same | Chan Cuk Hwang, Yong-Gyun Jung, Han Na Hwang, Ji Hoon Yang | 2017-06-27 |
| 9187648 | Hard coating layer and method for forming the same | Ji Hoon Yang | 2015-11-17 |