Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410503 | Plated steel sheet having excellent corrosion resistance and bendability and method for manufacturing same | Tae-Chul Kim, Sung-Joo Kim, Myung-Soo Kim, Bong-Hwan Yoo, Yong-Kyun Cho | 2025-09-09 |
| 12351919 | Plated steel sheet having excellent sealer adhesion and method for manufacturing same | Tae-Chul Kim, Bong-Hwan Yoo | 2025-07-08 |
| 12297544 | Hot press formed product having excellent corrosion resistance and method for preparing same | Hyeon Seok Hwang, Jong-Sang Kim | 2025-05-13 |
| 12270108 | Plated steel sheet having excellent corrosion resistance, workability and surface quality and method for manufacturing same | Sung-Joo Kim, Tae-Chul Kim, Bong-Hwan Yoo, Myung-Soo Kim, Jong-Sang Kim +2 more | 2025-04-08 |
| 12226976 | Manufacturing method of aluminum-based alloy plated steel | Jin-Keun Oh, Seong-Woo Kim, Jeom-Soo Shin | 2025-02-18 |
| 12054829 | Plated steel sheet having excellent corrosion resistance, galling resistance, workability and surface property | Sung-Joo Kim, Kyung-Kwan Park, Moon-Hi Hong, Heung-Yun Kim, Tae-Yeul Park +3 more | 2024-08-06 |
| 11952652 | Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same | Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh, Han-Gu Cho +2 more | 2024-04-09 |
| 11904572 | Manufacturing method of aluminum-based alloy plated steel | Jin-Keun Oh, Seong-Woo Kim, Jeom-Soo Shin | 2024-02-20 |
| 11834747 | Plated steel wire and manufacturing method for the same | Tae-Chul Kim, Jong Sung Kim, Sung Hoon Kang, Gwang-Weon Yu, Jong-Sang Kim | 2023-12-05 |
| 11692259 | High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same | Dae-Young Kang, Jong-Sang Kim, Tae-Chul Kim, Min-Suk Oh | 2023-07-04 |
| 11654654 | Manufacturing method of aluminum-based alloy plated steel | Jin-Keun Oh, Seong-Woo Kim, Jeom-Soo Shin | 2023-05-23 |
| 11643714 | Method for manufacturing zinc alloy plated steel material having excellent surface quality and corrosion resistance | Tae-Chul Kim, Jung Kuk KIM, Kyung-Jin An, Jung-Hoon Kim, Jong-Un Jung +1 more | 2023-05-09 |
| 11566314 | Zinc alloy plated steel material having excellent corrosion resistance after being processed | Tae-Chul Kim, Jong-Sang Kim | 2023-01-31 |
| 11505858 | Alloy-plated steel material having excellent crack resistance, and method for manufacturing same | Tae-Chul Kim, Jong-Sang Kim | 2022-11-22 |
| 11396691 | Alloy-plated steel material having excellent corrosion resistance and high surface quality | Jong-Sang Kim, Tae-Chul Kim, Jung Kuk KIM | 2022-07-26 |
| 11332816 | Zinc alloy plated steel material having excellent surface quality and corrosion resistance | Tae-Chul Kim, Jung Kuk KIM, Kyung-Jin An, Jung-Hoon Kim, Jong-Un Jung +1 more | 2022-05-17 |
| 11306381 | High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same | Dae-Young Kang, Jong-Sang Kim, Tae-Chul Kim, Min-Suk Oh | 2022-04-19 |
| 11248287 | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance | Min-Suk Oh, Sang-Heon Kim, Tae-Chul Kim, Jong-Sang Kim, Hyun-Chu Yun +1 more | 2022-02-15 |
| 11167527 | Aluminum-based plated steel having excellent corrosion resistance, aluminum-based alloy plated steel using the same, and method of manufacturing thereof | Jin-Keun Oh, Seong-Woo Kim, Jeom-Soo Shin | 2021-11-09 |
| 10907243 | Plated steel material having excellent friction resistance and white rust resistance and method for preparing same | Min-Suk Oh, Jong-Sang Kim, Tae-Chul Kim | 2021-02-02 |
| 10808292 | Method of manufacturing hot press formed parts having excellent powdering resistance | Dae-Chul Bae, Heung-Yun Kim | 2020-10-20 |
| 10640840 | Hot press formed article having excellent delamination resistance and method for manufacturing the same | Heung-Yun Kim, Dae-Chul Bae | 2020-05-05 |
| 10590522 | Aluminum-iron alloy-coated steel sheet for hot press forming, having excellent hydrogen delayed fracture resistance, peeling resistance, and weldability and hot-formed member using same | Jin-Keun Oh, Yeol-Rae Cho, Yong-Soo Kim | 2020-03-17 |
| 10584407 | Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance and method of manufacturing same | Min-Suk Oh, Sang-Heon Kim, Tae-Chul Kim, Jong-Sang Kim, Hyun-Chu Yun +1 more | 2020-03-10 |
| 9963758 | Hot press formed parts having excellent powdering resistance during hot press forming | Dae-Chul Bae, Heung-Yun Kim | 2018-05-08 |