Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724125 | Spring steel | Manabu Kubota, Shuji Kozawa, Hirotsugu MIYAMOTO | 2020-07-28 |
| 10538832 | Steel for carbonitrided bearing | Yutaka Neishi, Tatsuya Koyama, Shingo Yamasaki, Kohei Kanetani, Takashi Sada | 2020-01-21 |