Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604006 | Drilling machine having electromagnetic base | Toshio Mikiya | 1986-08-05 |
| 4456410 | Stabilization device for the stand of a drilling machine | Toshio Mikiya, Tadao Tanoi | 1984-06-26 |