Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635091 | Tips for welding and their manufacturing process | Nobuwo Nakazawa, Yosiaki Matsumura, Yukio Hosono, Tetsuji Terada, Toshiharu Nagashima +2 more | 1997-06-03 |
| 4904843 | AC TIG welding apparatus using hot wire | Yasuhiro Butsusaki, Toshiaki Takuwa, Yoshiaki Matsumura | 1990-02-27 |
| 4801781 | Semi-automatic hot wire tig welding equipment | Toshiharu Myoga, Miharu Shinomiya, Eiji Watanabe, Kazuki Kusano, Toshiaki Takuwa +1 more | 1989-01-31 |
| 4788412 | Method of control and apparatus for hot-wire welding | Shigeyoshi Kawano, Masahiko Sadakane, Toshiharu Myoga, Toshiaki Takuwa | 1988-11-29 |
| 4628182 | Hot-wire TIG welding apparatus | Eiji Watanabe, Toshiharu Myoga, Toshiaki Takuwa, Kazuki Kusano | 1986-12-09 |
| 4614856 | Hot-wire TIG welding apparatus | Takeshi Kagawa, Kazuki Kusano, Toshiaki Takuwa | 1986-09-30 |
| 4429558 | Method of and apparatus for fabrication of spiral fin | Hiroya Murakami, Mitsuhiro Takasaki, Osamu Yamada, Atsuya Kamada | 1984-02-07 |