Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277929 | Method for masking through holes in manufacturing process of printed circuit board | Yasuaki Otani, Isamu Kubo | 1994-01-11 |
| 5238524 | Hole masking apparatus | Yasuaki Otani, Isamu Kubo | 1993-08-24 |
| 5180465 | Etching method of forming microcircuit patterns on a printed circuit board | Shin Kawakami, Isamu Kubo | 1993-01-19 |
| 5169477 | Etching apparatus for forming microcircuit patterns on a printed circuit board | Shin Kawakami, Isamu Kubo | 1992-12-08 |
| 4975136 | Method of filler taping screen frame and method of filling screen frame | Isamu Kubo | 1990-12-04 |
| 4972630 | Method of surface grinding of planar member | Isamu Kubo | 1990-11-27 |
| 4969296 | Apparatus of surface grinding of planar member | Isamu Kubo | 1990-11-13 |
| 4925347 | Method of chamfering planar plate | Isamu Kubo | 1990-05-15 |
| 4856424 | Apparatus for filler taping screen frame and apparatus for applying filling liquid to screen frame | Isamu Kubo | 1989-08-15 |