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