Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7205500 | Non-consumable electrode welding torch and welding head with the torch | Hiroshi Watanabe, Takashi Sato, Toshiharu Myoga, Koichi Mitsuhata, Masahiro Kanatani +4 more | 2007-04-17 |