Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744012 | Control method of arc welding and arc welder | Koji Ueda, Manabu Murakami, Akira Yanagita, Takeshi Yamagami, Katsuya Kugai +2 more | 2004-06-01 |
| 4990743 | Control method for tracing a weld line in a welding apparatus | Katsuya Kugai, Hideyuki Yamamoto | 1991-02-05 |