Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400610 | Automatic fillet weld tracing mechanism | Masahiro Murakami | 1983-08-23 |
| 4347421 | Automatic pipe circumference welding apparatus | Mutsuo Mukuda, Masahiro Murakami | 1982-08-31 |