Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6150631 | Method of detecting root gap and arc welding method using the former | Yuji Sugitani, Hitoshi Serizawa, Masatoshi Murayama, Naoyuki Gotoh, Daisuke Ozamoto | 2000-11-21 |
| 4988201 | Apparatus for detecting a shape of a groove | Yuji Sugitani, Takanori Nishimura | 1991-01-29 |
| 4851639 | Apparatus for automatically welding cylindrical vessel | Yuji Sugitani, Yasuhiko Nishi | 1989-07-25 |