Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670071 | MAG arc welding apparatus | Tomoyuki Ueyama, Shoji Harada, Toshiaki Nakamata, Toshimitsu Doi, Shunichi Ogawa +2 more | 1997-09-23 |
| 5667709 | Method of MAG arc welding | Tomoyuki Ueyama, Shoji Harada, Toshiaki Nakamata, Toshimitsu Doi, Shunichi Ogawa +2 more | 1997-09-16 |