Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436981 | Vertical down welding process by gravity arc welding and welding machine therefor | Noboru Sakamoto, Itaru Yamashita, Satoshi Wada, Kenichi Yano | 1984-03-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436981 | Vertical down welding process by gravity arc welding and welding machine therefor | Noboru Sakamoto, Itaru Yamashita, Satoshi Wada, Kenichi Yano | 1984-03-13 |