Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398436 | High-strength stainless steel seamless pipe for oil country tubular goods and method for manufacturing same | Masao Yuga | 2025-08-26 |
| 12264376 | Duplex stainless steel and method for manufacturing same, and duplex stainless steel pipe | Kazuki Fujimura, Yusuke Yoshimura, Masao Yuga | 2025-04-01 |