Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9068238 | High tensile strength hot rolled steel sheet having excellent formability and method for manufacturing the same | Katsumi Nakajima, Tetsuya Mega | 2015-06-30 |
| 7955444 | High strength steel sheet and method for manufacturing the same | Takeshi Yokota, Akio Kobayashi, Kazuhiro Seto | 2011-06-07 |