Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173835 | Electric resistance welded steel pipe, method for manufacturing the same, and automotive structural member | Ryo Nakazawa, Hiroyuki Shirosawa | 2024-12-24 |
| 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 | Akihide Matsumoto, Atsushi Matsumoto, Takatoshi Okabe | 2024-11-12 |
| 11945020 | Metal pipe and method for manufacturing metal pipe | Akihide Matsumoto, Atsushi Matsumoto, Takatoshi Okabe | 2024-04-02 |