Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774412 | Hot-dip galvanized cold-rolled steel sheet and process for producing same | Norio Imai, Masayuki Wakita, Takuya Nishio, Jun Haga, Yasuaki Tanaka +4 more | 2020-09-15 |
| 10655200 | Steel material and oil-well steel pipe | Yuji Arai | 2020-05-19 |
| 10526671 | Cold-rolled steel sheet and process for manufacturing same | Toshiro Tomida, Norio Imai, Jun Haga, Takuya Nishio | 2020-01-07 |