Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338515 | Ultra-thick steel excellent in brittle crack arrestability and manufacturing method therefor | — | 2025-06-24 |
| 11649518 | Ultra-thick steel material having excellent surface part NRL-DWT properties and method for manufacturing same | Sung Ho JANG | 2023-05-16 |
| 11634784 | Ultra-thick steel material having excellent surface part NRL-DWT properties and method for manufacturing same | Sung Ho JANG | 2023-04-25 |
| 11608549 | Cryogenic steel plate and method for manufacturing same | — | 2023-03-21 |
| 11591679 | Low-temperature steel material having excellent toughness in welding portion thereof and manufacturing method therefor | — | 2023-02-28 |
| 11434557 | Low-temperature steel plate having excellent impact toughness, and method for manufacturing same | — | 2022-09-06 |
| 11155905 | Enhanced wear resistant steel and methods of making the same | HyunWoo Jin, Ning Ma, Raghavan Ayer, Russell Robert Mueller, Jong-Kyo Choi +1 more | 2021-10-26 |
| 10883159 | High-strength steel having superior brittle crack arrestability, and production method therefor | Sung Ho JANG | 2021-01-05 |
| 10822671 | High-strength steel having superior brittle crack arrestability, and production method therefor | Sung Ho JANG | 2020-11-03 |
| 10301707 | Steel having excellent weldability and impact toughness of welding zone | In-Shik Suh, 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 | In-Shik Suh, Soon-Gi LEE, In-Gyu Park, Yong Jin Kim, Hong-Ju Lee | 2018-08-07 |
| 8202102 | Earth terminal | Jong Soo Kim, Cheol Hun Lee, Jong-Myung Oh | 2012-06-19 |