Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5435858 | Method for TIG welding 1.25 Cr-0.5Mo steel pipe for which preheating and postheating treatments can be effectively omitted | Toshihiro Takamura, Yukio Nishino, Motoaki Oyama, Koji Akiyama, Takero Arima | 1995-07-25 |