Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110741 | Railway wheel | — | 2021-09-07 |
| 11111568 | Steel for cold forging and manufacturing method thereof | Akira Shiga, Hajime Hasegawa | 2021-09-07 |
| 10889870 | Steel component, gear component, and producing method for steel component | Koji Obayashi, Kazuaki Okada, Keisuke Matsuzaka, Masashi SAKAKIBARA, Kei Miyanishi +1 more | 2021-01-12 |