Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844466 | Hot forging steel and hot forged product | Akira Shiga, Suguru Yoshida, Hajime Hasegawa, Hideo MIZUKAMI | 2020-11-24 |
| 10752969 | Steel for suspension spring and method of manufacturing same | Koichi Banno, Keisuke CHIBA, Ryuuichi Seki | 2020-08-25 |
| 10724125 | Spring steel | Takahisa Suzuki, Shuji Kozawa, Hirotsugu MIYAMOTO | 2020-07-28 |
| 10597765 | Steel, carburized steel component, and method for manufacturing carburized steel component | Akira Shiga, Hajime Hasegawa, Hideo MIZUKAMI | 2020-03-24 |