Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664495 | Thermal cutting machine and dust collecting method thereof | Yoshihiro Yamaguchi | 2003-12-16 |
| 6583378 | Plasma machining electrode and plasma machining device | Yoshihiro Yamaguchi, Kazuhiro Kuraoka | 2003-06-24 |