Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536634 | Hot wire arc welding torch assembly | Yoshiaki Kato | 1985-08-20 |
| 4531040 | Hot wire type arc welding torch and cable | Yoshiaki Kato, Takao Shimizu | 1985-07-23 |
| 4493971 | Hot wire type electric arc welding torch | Takao Shimizu | 1985-01-15 |