Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4507543 | Pulse arc welding method | Takao Shimizu | 1985-03-26 |
| 4504728 | Arc welding robot control system | Hirohisa Segawa, Haruki Ando | 1985-03-12 |
| 4421971 | Arc welding process | Toyozo Tetsu, Kunio Shamoto | 1983-12-20 |