Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172202 | Skew rolling apparatus, method for manufacturing seamless pipe shell, and method for manufacturing seamless steel pipe | Shunsuke Sasaki, Tatsuro Katsumura | 2024-12-24 |
| 12140265 | Seamless pipe and method for manufacturing same | Shunsuke Sasaki, Masao Yuga, Tatsuro Katsumura | 2024-11-12 |