Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371770 | High-strength hot-dip galvanized steel sheet having excellent surface quality and electric resistance spot weldability, and manufacturing method therefor | Ki-Cheol Kang, Tae-Chul Kim, Myung-Soo Kim | 2025-07-29 |
| 12297544 | Hot press formed product having excellent corrosion resistance and method for preparing same | Il-Ryoung Sohn, Hyeon Seok Hwang | 2025-05-13 |
| 12270108 | Plated steel sheet having excellent corrosion resistance, workability and surface quality and method for manufacturing same | Il-Ryoung Sohn, Sung-Joo Kim, Tae-Chul Kim, Bong-Hwan Yoo, Myung-Soo Kim +2 more | 2025-04-08 |
| 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 | Il-Ryoung Sohn, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh, Han-Gu Cho +2 more | 2024-04-09 |
| 11834747 | Plated steel wire and manufacturing method for the same | Tae-Chul Kim, Jong Sung Kim, Sung Hoon Kang, Gwang-Weon Yu, Il-Ryoung Sohn | 2023-12-05 |
| 11692259 | High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same | Il-Ryoung Sohn, Dae-Young Kang, Tae-Chul Kim, Min-Suk Oh | 2023-07-04 |
| 11566314 | Zinc alloy plated steel material having excellent corrosion resistance after being processed | Il-Ryoung Sohn, Tae-Chul Kim | 2023-01-31 |
| 11505858 | Alloy-plated steel material having excellent crack resistance, and method for manufacturing same | Il-Ryoung Sohn, Tae-Chul Kim | 2022-11-22 |
| 11396691 | Alloy-plated steel material having excellent corrosion resistance and high surface quality | Il-Ryoung Sohn, Tae-Chul Kim, Jung Kuk KIM | 2022-07-26 |
| 11306381 | High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same | Il-Ryoung Sohn, Dae-Young Kang, 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, Hyun-Chu Yun, Bong-Hwan Yoo +1 more | 2022-02-15 |
| 11001918 | High-strength hot-dip galvanized steel sheet having excellent plating surface quality and adhesion, and method of manufacturing the same | Myung-Soo Kim, Young Ha Kim, Joong-Chul Park | 2021-05-11 |
| 10907243 | Plated steel material having excellent friction resistance and white rust resistance and method for preparing same | Min-Suk Oh, Il-Ryoung Sohn, Tae-Chul Kim | 2021-02-02 |
| 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, Hyun-Chu Yun, Bong-Hwan Yoo +1 more | 2020-03-10 |
| 10544324 | Noncovalent bond-modified carbon structure, and carbon structure/polymer composite comprising same | Yong-Gyun Jung, Hye Jin Yoo, Jung Su Kim, Chang-Se Byeon | 2020-01-28 |
| 10544497 | Zn alloy plated steel sheet having excellent phosphatability and spot weldability and method for manufacturing same | Min-Suk Oh, Sang-Heon Kim, Tae-Chul Kim, Bong-Hwan Yoo, Hyun-Chu Yun | 2020-01-28 |
| 10391518 | Method for manufacturing transparent pattern print steel plate | Jin Tae Kim, Bong-Woo Ha, Yang-Ho Choi, Jung Hwan Lee, Ha-Na CHOI +1 more | 2019-08-27 |
| 9945020 | 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 | Il-Ryoung Sohn, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh, Han-Gu Cho +2 more | 2018-04-17 |
| 9783686 | Surface-treated steel plate and production method for same | Joong Kyu Kim, Hyun-Chu Yun, Hye Jin Yoo, Yong-Gyun Jung | 2017-10-10 |
| 9683294 | Conversion coating composition, surface treated steel sheet, and method for manufacturing the same | Yeon Ho Kim, Young-Jin Kwak, Yon-Kyun Song, Yang-Ho Choi, Tae-Yeob Kim +2 more | 2017-06-20 |
| 9534143 | Coated steel sheet having superior welding, scratch-resistance, and corrosion-resistance properties | Hye Jin Yoo, Jin Ho Jung, Jung Su Kim, Bong-Woo Ha, Chang-Se Byeon +2 more | 2017-01-03 |
| 9481936 | Nanoplatelet-type zirconium phosphate and method for preparing same | Bongwoo Ha, Jin Tae Kim, Yang-Ho Choi | 2016-11-01 |
| 9376576 | Resin composition for a surface treatment, and steel sheet coated with same | Yong-Gyun Jung, Gab Yong Kim, Woon-Jong Kim, Jae-Dong Cho, Joong Kyu Kim +2 more | 2016-06-28 |
| 9260787 | Hot-dip galvanized steel sheet having excellent adhesiveness at ultra-low temperatures | Ju-youn Lee, Myung-Soo Kim | 2016-02-16 |
| 9175375 | Metal-coated steel sheet | Myung-Soo Kim, Ju-youn Lee, Young Ha Kim | 2015-11-03 |