Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203803 | Steel with high hardness and excellent toughness | Yoritoshi Minamino, Takemori Takayama, Koji Yamamoto | 2021-12-21 |
| 11162162 | Steel with high hardness and excellent toughness | Yoritoshi Minamino, Koji Hagihara, Koji Yamamoto, Shohei Ikurumi, Takeshi Fujimatsu +1 more | 2021-11-02 |