Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6150631 | Method of detecting root gap and arc welding method using the former | Yuji Sugitani, Yoshihiro Kanjo, Masatoshi Murayama, Naoyuki Gotoh, Daisuke Ozamoto | 2000-11-21 |