Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970354 | Electromagnetic wave shielding circuit and production method thereof | Isao Morooka, Yoichi Oba | 1990-11-13 |
| 4837050 | Method for producing electrically conductive circuits on a base board | Yoichi Oba, Isao Morooka | 1989-06-06 |
| 4735676 | Method for forming electric circuits on a base board | — | 1988-04-05 |
| 4734156 | Method for forming electrically conductive circuits on a base board | — | 1988-03-29 |
| 4724040 | Method for producing electric circuits on a base boad | — | 1988-02-09 |
| 4683653 | Method for producing a multilayer printed-circuit board | — | 1987-08-04 |
| 4684054 | Automatic soldering apparatus and method of using the flux to heat the circuit board | Atsushi Kabe, Yoichi Oba | 1987-08-04 |
| 4353816 | Power conductive coating mixed with copper powder | — | 1982-10-12 |