Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9000320 | Method of manufacturing electric resistance welding pipe having excellent characterization of welded seam | Kazuhito Kenmochi, Takatoshi Okabe, Hiroyasu Yokoyama, Yuji Sugimoto, Osamu Shiotani +3 more | 2015-04-07 |
| 8912462 | Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams | Kazuhito Kenmochi, Takatoshi Okabe, Hiroyasu Yokoyama, Yuji Sugimoto, Yoshifumi Fujioka +5 more | 2014-12-16 |