Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277787 | Method of manufacturing printed wiring board | Fusao Birukawa, Tatero Takai | 1994-01-11 |
| 5277929 | Method for masking through holes in manufacturing process of printed circuit board | Kameharu Seki, Isamu Kubo | 1994-01-11 |
| 5238524 | Hole masking apparatus | Kameharu Seki, Isamu Kubo | 1993-08-24 |
| 5186811 | Method of manufacturing printed wiring boards | Toichi Takishima, Yasuhiko Sakata | 1993-02-16 |