Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670071 | MAG arc welding apparatus | Tomoyuki Ueyama, Toshiaki Nakamata, Masuo Shibata, Toshimitsu Doi, Shunichi Ogawa +2 more | 1997-09-23 |
| 5667709 | Method of MAG arc welding | Tomoyuki Ueyama, Toshiaki Nakamata, Masuo Shibata, Toshimitsu Doi, Shunichi Ogawa +2 more | 1997-09-16 |
| 5508493 | Method of MAG arc welding and welding apparatus | Tomoyuki Ueyama, Toshiaki Nakamata, Masuo Shibata, Toshimitsu Doi, Shunichi Ogawa +2 more | 1996-04-16 |