Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7232974 | All position automatic welding head and method for operating the same | Hiroshi Watanabe, Masahiro Kanatani, Koichi Mitsuhata, Keiji Ueda, Seiji Kikuhara +2 more | 2007-06-19 |
| 7205500 | Non-consumable electrode welding torch and welding head with the torch | Hiroshi Watanabe, Takashi Sato, Koichi Mitsuhata, Masahiro Kanatani, Keiji Ueda +4 more | 2007-04-17 |
| 4801781 | Semi-automatic hot wire tig welding equipment | Katsuyoshi Hori, Miharu Shinomiya, Eiji Watanabe, Kazuki Kusano, Toshiaki Takuwa +1 more | 1989-01-31 |
| 4788412 | Method of control and apparatus for hot-wire welding | Katsuyoshi Hori, Shigeyoshi Kawano, Masahiko Sadakane, Toshiaki Takuwa | 1988-11-29 |
| 4628182 | Hot-wire TIG welding apparatus | Katsuyoshi Hori, Eiji Watanabe, Toshiaki Takuwa, Kazuki Kusano | 1986-12-09 |