Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332341 | Pressure foot of printed circuit board drilling apparatus | Kunio Arai, Kazunori Hamada | 1994-07-26 |
| 5315072 | Printed wiring board having blind holes | Kunio Arai | 1994-05-24 |