Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11484927 | Clad welded pipe or tube and method of producing same | Takatoshi Okabe, Atsushi Matsumoto, Shinsuke Ide | 2022-11-01 |
| 11421298 | Electric resistance welded steel tube for coiled tubing and method for manufacturing the same | Hiroshi Nakata, Shunsuke Toyoda | 2022-08-23 |
| 11326240 | Hot-rolled steel sheet for coiled tubing | Hiroshi Nakata, Shunsuke Toyoda | 2022-05-10 |