Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428343 | Aqueous carbonation curing method of binder composition using carbon dioxide absorbent | Jae Hong Kim, Yubin Jun | 2025-09-30 |
| 12359291 | High-strength galvanized steel sheet having excellent distinctness of image after painting and manufacturing method therefor | Yu-Mi Ha, Jun-Sung YEOM | 2025-07-15 |
| 12305287 | Plated steel sheet having excellent strength, formability and surface property and method for manufacturing same | Yong Hoon Choi, Yu-Mi Ha, Jun-Sung YEOM | 2025-05-20 |
| 12180559 | Bake-hardened hot-dip galvanized steel sheet with excellent powdering resistance, and manufacturing method therefor | Sang Hyun Kim, Chung-Won Kim, Yu-Mi Ha | 2024-12-31 |
| 11104974 | High yield ratio type high-strength cold-rolled steel sheet and manufacturing method thereof | Min-Seo KOO | 2021-08-31 |
| 10526679 | Method for manufacturing a hot dip galvanized and galvannealed steel sheet having excellent elongation properties | Sang-Ho Han | 2020-01-07 |
| 10351924 | Hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having improved hole expansion ratio, and manufacturing methods thereof | Sang-Ho Han | 2019-07-16 |
| 9708684 | Hot dip galvanized and galvannealed steel sheet having excellent elongation properties | Sang-Ho Han | 2017-07-18 |
| 9011615 | Bake hardening steel with excellent surface properties and resistance to secondary work embrittlement, and preparation method thereof | Il-Ryoung Sohn, Shin-Hwan Kang, Min-Ki Seun | 2015-04-21 |
| 8518191 | Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel and method for manufacturing the cold rolled steel sheet | — | 2013-08-27 |
| 8221541 | Heavy weight concrete composition using slag byproducts | Tae Hoon KOH, Seon Keun Hwang, Tae Hwan Ko | 2012-07-17 |
| 8128763 | Bake-hardenable cold rolled steel sheet with superior strength, galvannealed steel sheet using the cold rolled steel sheet and method for manufacturing the cold rolled steel sheet | — | 2012-03-06 |
| 7083380 | Separable distribution rotor and horizontal rotor distributor having the same | Soon-Mok Kwon | 2006-08-01 |