Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331373 | Steel material, for pressure vessel, showing excellent hydrogen-induced cracking resistance and method for preparing same | Dae-Woo Kim | 2025-06-17 |
| 11578376 | Steel for pressure vessels having excellent resistance to hydrogen induced cracking and manufacturing method thereof | Dae-Woo Kim | 2023-02-14 |
| 11453933 | High-strength steel material having enhanced resistance to crack initiation and propagation at low temperature and method for manufacturing the same | Kyung-Keun Um, Woo-Gyeom Kim, Jin-Woo Chae | 2022-09-27 |
| 11268175 | High-strength steel having excellent fracture initiation resistance and fracture propagation arrestability at low temperature and method of manufacturing the same | Kyung-Keun Um, Woo-Gyeom Kim, Jin-Woo Chae | 2022-03-08 |
| 9382597 | Steel sheet for enamel having no surface defects and method of manufacturing the same | Hang-Sik Cho, Su Beom Park, Woo Sung Kim | 2016-07-05 |