Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131612 | Method for estimating hardness of cold worked component and method for acquiring hardness-equivalent plastic strain curve of steel material | Mitsuharu Yamagata, Yasushi Tsukano | 2021-09-28 |
| 10900100 | Hot rolled steel sheet | Tatsuo Yokoi, Shigeru Yonemura, Kazuya Ootsuka | 2021-01-26 |
| 10894996 | Hot rolled steel sheet | Tatsuo Yokoi, Shigeru Yonemura, Kazuya Ootsuka | 2021-01-19 |