Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5501094 | Method for bending a metal thin plate | Akira Mizuta | 1996-03-26 |
| 4487525 | Propulsion pipe laying system | Masami Shiotsubo, Hiroshi Saito | 1984-12-11 |
| 4486124 | Pipe laying method and apparatus | Masami Shiotsubo, Hiroshi Saito | 1984-12-04 |