Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936723 | Method and apparatus for cutting off the beads of seam-welded pipes | Ichiro Yasumura, Moriyuki Kakihara, Kuniharu Fujimoto | 1990-06-26 |
| 4357512 | Apparatus for continuous manufacture of butt-welded pipe | Kenji Higuchi, Toshiyuki Oki, Nobuo Machida | 1982-11-02 |