Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139780 | Hot-rolled steel sheet for electric resistance welded steel pipe and method for manufacturing the same, electric resistance welded steel pipe and method for manufacturing the same, line pipe, and building structure | Atsushi Matsumoto, Shinsuke Ide, Takatoshi Okabe | 2024-11-12 |
| 11945020 | Metal pipe and method for manufacturing metal pipe | Atsushi Matsumoto, Shinsuke Ide, Takatoshi Okabe | 2024-04-02 |
| 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 |
| 11079045 | Electric resistance welded clad steel pipe or tube and method of producing same | Shinsuke Ide, Atsushi Matsumoto, Takatoshi Okabe | 2021-08-03 |
| 10858252 | Complex carbonitride powder and method for producing same | Masato Michiuchi, Keiichi Tsuda, Yoshihiro Minato, Tomoyuki Ishida, Takehiko Hayashi | 2020-12-08 |