Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066848 | Automatic copying method for a welding torch in an arc welding robot | Seigo Nishikawa, Shinji Okumura, Tadayuki Amano | 1991-11-19 |
| 4937426 | Automatic groove tracing method for an arc welding robot | Seigo Nishikawa, Shinji Okumura, Tadayuki Amano | 1990-06-26 |