Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234525 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Yuichi Kamo, Masao Yuga | 2025-02-25 |
| 12221663 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Yuichi Kamo, Masao Yuga | 2025-02-11 |