Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155905 | Enhanced wear resistant steel and methods of making the same | HyunWoo Jin, Ning Ma, Raghavan Ayer, Russell Robert Mueller, Hak-Cheol Lee +1 more | 2021-10-26 |
| 11149330 | Magnesium alloy plate and method for manufacturing same | Hyun-Taek Na, Seok-Jong Seo, Sung-Il Kim | 2021-10-19 |
| 10655196 | Austenitic steel having excellent machinability and ultra-low temperature toughness in weld heat-affected zone, and method of manufacturing the same | Soon-Gi LEE, Jong-Kyo Choi, Young Hwan Park, Hee-Goon Noh, Hyun-Kwan Cho +2 more | 2020-05-19 |
| 10301707 | Steel having excellent weldability and impact toughness of welding zone | Hak-Cheol Lee, Yong Jin Kim, In-Gyu Park | 2019-05-28 |
| 10041156 | High strength austenitic-based steel with remarkable toughness of welding heat-affected zone and preparation method therefor | Hak-Cheol Lee, Soon-Gi LEE, In-Gyu Park, Yong Jin Kim, Hong-Ju Lee | 2018-08-07 |
| 9945014 | High-manganese wear resistant steel having excellent weldability and method for manufacturing same | Soon-Gi LEE, In-Gyu Park, Hong-Ju Lee | 2018-04-17 |
| 9650703 | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same | Soon-Gi LEE, Jong-Kyo Choi, Hee-Goon Noh, Hong-Ju Lee, In-Gyu Park | 2017-05-16 |
| 9255305 | High-strength steel sheet having superior toughness at cryogenic temperatures, and method for manufacturing same | Woo-Gyeom Kim, Sang-Ho Kim, Ki-Hyun Bang | 2016-02-09 |