Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596969 | Method for guiding arc by laser, and arc guiding welding and device by the method | Shigeyuki Sakurai, Yutaka Takano, Naoki Miyanagi, Yoshiaki Shimomura, Hikaru Yamamoto | 2003-07-22 |
| 6534746 | Narrow gap welding method and welding apparatus | Yasuo Hayakawa, Yutaka Takano, Hikaru Yamamoto | 2003-03-18 |