Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718040 | Hot-rolled steel sheet, steel material, and method for producing hot-rolled steel sheet | Kazuya Ootsuka, Akifumi SAKAKIBARA | 2020-07-21 |
| 10655192 | Hot-rolled steel sheet | Akifumi SAKAKIBARA, Kazuya Ootsuka, Takehiro Hoshino, Daisuke Maeda | 2020-05-19 |