Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294209 | Tool attaching device | Tadashi Hayasaka | 1994-03-15 |
| 5241792 | Method and apparatus for surface finishing | Tadashi Hayasaka | 1993-09-07 |
| 5119601 | Apparatus for abrading a surface | Teruaki Yamashita | 1992-06-09 |
| 5056964 | Machining apparatus | Tadashi Hayasaka | 1991-10-15 |
| 4941245 | Rotary file, support member and abrasive device | Teruaki Yamashita | 1990-07-17 |