Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11827949 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Mami Endo, Masao Yuga | 2023-11-28 |
| 11773461 | Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same | Mami Endo, Masao Yuga | 2023-10-03 |
| 11566301 | Dual-phase stainless steel, and method of production thereof | Yusuke Yoshimura, Hiroki Ota, Masao Yuga, Kenichiro Eguchi | 2023-01-31 |