Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570478 | Steel for mechanical structure for cold working, and method for producing same | Yuki Sasaki, Takehiro Tsuchida, Koji Yamashita, Masamichi Chiba, Kei MASUMOTO +1 more | 2020-02-25 |
| 10526675 | Method for manufacturing steel for high-strength hollow spring | Hitoshi Hatano, Akira Tange, Kiyoshi Kurimoto, Yurika Goto | 2020-01-07 |