Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11732340 | High-strength hot-rolled coated steel sheet | Kazuhiko Yamazaki, Thi Huyen Doan, Yoshihiko Ono | 2023-08-22 |
| 11377719 | Hot-rolled steel sheet for heavy-wall, high-strength line pipe, welded steel pipe for heavy-wall, high-strength line pipe, and method for producing the welded steel pipe | Hiroshi Nakata, Junji Shimamura | 2022-07-05 |
| 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 |
| 10584405 | Electric resistance welded steel pipe and manufacturing method therefor | Shunsuke Toyoda, Takatoshi Okabe, Yutaka Matsui, Satoru Yabumoto | 2020-03-10 |
| 10385417 | Heavy wall electric resistance welded steel pipe for line pipe and method for manufacturing the same | Shunsuke Toyoda, Takatoshi Okabe | 2019-08-20 |
| 10287661 | Hot-rolled steel sheet and method for producing the same | Tomoaki Shibata | 2019-05-14 |
| 10273554 | Hot-rolled steel sheet and method of manufacturing the same | Tomoaki Shibata | 2019-04-30 |
| 10047416 | Hot rolled steel sheet and method for manufacturing the same | Chikara Kami | 2018-08-14 |
| 9873164 | Electric resistance welded steel pipe or steel tube having excellent HIC resistance and low-temperature toughness in electric resistance welded part, and method for manufacturing the same | Shunsuke Toyoda, Takatoshi Okabe, Atsushi Yonemoto | 2018-01-23 |
| 9841124 | High-strength thick-walled electric resistance welded steel pipe having excellent low-temperature toughness and method of manufacturing the same | Shunsuke Toyoda, Takatoshi Okabe, Tomohiro Inoue, Motoharu Egi, Atsushi Yonemoto | 2017-12-12 |
| 9551047 | High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges | Shunsuke Toyoda, Takatoshi Okabe, Tomohiro Inoue | 2017-01-24 |