Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821051 | Apparatus line for manufacturing seamless steel pipe and tube and method of manufacturing duplex seamless stainless steel pipe | Shunsuke Sasaki, Hiroki Ushida, Yasushi Kato | 2023-11-21 |
| 11731184 | Rolling straightening machine and method of manufacturing a pipe or tube or a bar using same | Shunsuke Sasaki, Hiroki Ota | 2023-08-22 |