Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252756 | High-strength seamless steel pipe and method for manufacturing same | Mitsuhiro Okatsu, Masao Yuga | 2025-03-18 |
| 12227816 | High-strength seamless steel pipe and method for manufacturing same | Mitsuhiro Okatsu, Masao Yuga | 2025-02-18 |