Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440125 | Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same | Masatoshi Aratani, Ryoji Matsui, Tomonori Kondo, Hiromichi Hori | 2022-09-13 |
| 11421298 | Electric resistance welded steel tube for coiled tubing and method for manufacturing the same | Akihide Matsumoto, Shunsuke Toyoda | 2022-08-23 |
| 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 | Sota Goto, Junji Shimamura | 2022-07-05 |
| 11326240 | Hot-rolled steel sheet for coiled tubing | Akihide Matsumoto, Shunsuke Toyoda | 2022-05-10 |
| 11214847 | High-strength hot-rolled steel sheet for electric resistance welded steel pipe and manufacturing method therefor | Motohiko Urabe, Shuji Kawamura | 2022-01-04 |