Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh, Han-Gu Cho +2 more | 2018-04-17 |
| 9580786 | High Mn steel sheet for high corrosion resistance and method of manufacturing galvanizing the steel sheet | Kwang-Geun Chin, Seong Ju Kim, Myung-Soo Kim, Sung Kyu Kim | 2017-02-28 |
| 9314997 | Plated steel sheet having plated layer with excellent stability for hot press molding | — | 2016-04-19 |
| 9068255 | 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 | 2015-06-30 |
| 9011615 | Bake hardening steel with excellent surface properties and resistance to secondary work embrittlement, and preparation method thereof | Seong-Ho Han, Shin-Hwan Kang, Min-Ki Seun | 2015-04-21 |
| 8999085 | High manganese steel strips with excellent coatability and superior surface property, coated steel strips using steel strips and method for manufacturing the steel strips | Seong Ju Kim, Kwang-Geun Chin, Hyun-Gyu Hwang, Sung Kyu Kim, Young Kook Lee +1 more | 2015-04-07 |
| 8221564 | Method for manufacturing high strength steel strips with superior formability and excellent coatability | Seong Ju Kim, Hyun-Gyu Hwang, Seung-bok LEE | 2012-07-17 |