Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh +2 more | 2024-04-09 |
| 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, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh +2 more | 2018-04-17 |
| 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 | Il-Ryoung Sohn, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh +2 more | 2015-06-30 |