Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203157 | Hot-rolled steel sheet | Koutarou Hayashi, Hiroshi Shuto, Kazumasa TSUTSUI | 2025-01-21 |
| 12123064 | Hot-rolled steel sheet | Hiroshi Shuto, Koutarou Hayashi, Akifumi SAKAKIBARA, Jun ANDO, Tetsu Asato | 2024-10-22 |
| 11970758 | Hot-rolled steel sheet | Hiroshi Shuto, Akifumi SAKAKIBARA, Shinsuke Kai, Koutarou Hayashi | 2024-04-30 |
| 11634802 | Cold-rolled steel sheet | Mai NAGANO, Koutarou Hayashi | 2023-04-25 |
| 10378079 | Stainless steel and stainless steel product for oil well | Yusaku Tomio | 2019-08-13 |