Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117348 | High-strength hot-rolled coated steel sheet | Kazuhiko Yamazaki, Taro Kizu, Shunsuke Toyoda | 2021-09-14 |
| 11053564 | High strength thick-walled electric-resistance-welded steel pipe for deep-well conductor casing, method for manufacturing the same, and high-strength thick-walled conductor casing for deep wells | Takatoshi Okabe, Yukihiko Okazaki | 2021-07-06 |
| 11041223 | High strength thick-walled electric-resistance-welded steel pipe for deep-well conductor casing, method for manufacturing the same, and high strength thick-walled conductor casing for deep wells | Takatoshi Okabe, Yukihiko Okazaki | 2021-06-22 |
| 10900104 | Hot rolled steel sheet and method for manufacturing the same | Chikara Kami | 2021-01-26 |