Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821051 | Apparatus line for manufacturing seamless steel pipe and tube and method of manufacturing duplex seamless stainless steel pipe | Shunsuke Sasaki, Tatsuro Katsumura, Yasushi Kato | 2023-11-21 |
| 10544476 | Apparatus line for manufacturing seamless steel pipe and tube and method of manufacturing duplex seamless stainless steel pipe | Shunsuke Sasaki, Tatsuro Katsumura, Yasushi Kato | 2020-01-28 |