Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580782 | Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof | Chikara Kami, Kinya Nakagawa | 2017-02-28 |
| 9540717 | High strength hot-rolled steel sheet for welded steel line pipe having excellent souring resistance, and method for producing same | Tomoaki Shibata | 2017-01-10 |