Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708254 | Engine driven ARC welder | Toru Hiroi | 1998-01-13 |
| 5637246 | Engine driven arc welder | Toru Hiroi | 1997-06-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5708254 | Engine driven ARC welder | Toru Hiroi | 1998-01-13 |
| 5637246 | Engine driven arc welder | Toru Hiroi | 1997-06-10 |