Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385115 | Steel for hot forming, hot-formed member, and manufacturing methods therefor | Seong-Woo Kim, Jin-Keun Oh, Hyo-Sik Chun, Seong-Beom Bae | 2025-08-12 |
| 12330391 | Steel sheet plated with Al—Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof | Jin-Keun Oh, Seong-Woo Kim, Yeol-Rae Cho | 2025-06-17 |
| 12269081 | Plated steel sheets for hot press forming having excellent hydrogen brittleness resistance and impact resistance, hot press formed parts, and manufacturing methods thereof | Jin-Keun Oh, Seong-Woo Kim, Sang-Bin Han | 2025-04-08 |
| 12241162 | Aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and manufacturing method thereof | Jin-Keun Oh, Seong-Woo Kim, Hyo-Sik Chun | 2025-03-04 |
| 12138283 | Method of preparing three-dimensional cell spheroid including adipose-derived stem cells and hepatocytes | Seokheon Hong, Seung Ja Oh, Kwi Deok PARK | 2024-11-12 |
| 12123094 | Aluminum-based plated steel plate for hot press having excellent resistance against hydrogen delayed fracture and spot weldability, and method for manufacturing same | Jin-Keun Oh, Seong-Woo Kim, Yeol-Rae Cho | 2024-10-22 |
| 12084734 | Plated steel sheets for hot press forming having excellent hydrogen brittleness resistance and impact resistance, hot press formed parts, and manufacturing methods thereof | Jin-Keun Oh, Seong-Woo Kim, Hyo-Sik Chun | 2024-09-10 |
| 12005152 | Microgel composition comprising collagen and method of preparing the same | Seung Ja Oh, Ha Eun Chung | 2024-06-11 |
| 11998971 | Hot press-formed part, and manufacturing method thereof | Seong-Woo Kim, Jin-Keun Oh, Hyo-Sik Chun | 2024-06-04 |
| 11993825 | Hot press forming member having excellent resistance to hydrogen embrittlement, and method for manufacturing same | Seong-Woo Kim, Jin-Keun Oh, Sang-Bin Han | 2024-05-28 |
| 11897014 | Hot press-formed part, and manufacturing method thereof | Seong-Woo Kim, Jin-Keun Oh, Hyo-Sik Chun | 2024-02-13 |
| 11753709 | Hot-dip galvanized steel material having excellent weldability and press workability and manufacturing method therefor | Suk-Kyu Lee, Kwang-Tai Min, Yon-Kyun Song | 2023-09-12 |
| 11578397 | Hot press-formed part, and manufacturing method thereof | Seong-Woo Kim, Jin-Keun Oh, Hyo-Sik Chun | 2023-02-14 |
| 11549167 | Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor | Seong-Woo Kim, Jin-Keun Oh, Yeol-Rae Cho | 2023-01-10 |
| 11529795 | Steel sheet plated with Al—Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof | Jin-Keun Oh, Seong-Woo Kim, Yeol-Rae Cho | 2022-12-20 |
| 11491764 | Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method therefor | Jin-Keun Oh, Seong-Woo Kim, Yeol-Rae Cho | 2022-11-08 |
| 11365396 | In vitro fibrosis model, preparing method therefor, and use thereof | Kwi Deok PARK, Kang-Won Lee, Thanavel RAJANGAM | 2022-06-21 |
| 11338551 | Hot-dip galvanized steel sheet having excellent low-temperature adhesion and workability | Hyeon Seok Hwang | 2022-05-24 |
| 11248287 | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance | Min-Suk Oh, Tae-Chul Kim, Jong-Sang Kim, Hyun-Chu Yun, Bong-Hwan Yoo +1 more | 2022-02-15 |
| 11241517 | Hydrogel composition and bioink composition including the same | Joo Young Lee, Seung Ja Oh | 2022-02-08 |
| 11078564 | Hot-dip galvanized steel sheet with excellent surface quality and resistance to low temperature brittle fracture | — | 2021-08-03 |
| 10982309 | Hot-rolled galvanized steel sheet having excellent galling resistance, formability and sealer-adhesion property and method for manufacturing same | Hyeon Seok Hwang, Suk-Kyu Lee, Sun-Ho Jeon, Yon-Kyun Song, Bong-Hwan Yoo | 2021-04-20 |
| 10725043 | Three-dimensional fibroblast aggregate and in vitro 3D skin dermis model comprising same | Jong Hoon Choi, Kwi Deok PARK | 2020-07-28 |
| 10626476 | High specific strength steel sheet and method for manufacturing same | Han-Soo Kim, Nack-Joon Kim, Yoon Heo, Jae Sang Lee, Jin-Mo Koo | 2020-04-21 |
| 10584407 | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance and method of manufacturing same | Min-Suk Oh, Tae-Chul Kim, Jong-Sang Kim, Hyun-Chu Yun, Bong-Hwan Yoo +1 more | 2020-03-10 |