Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4893404 | Method for producing a multilayer printed wiring board | Isao Shirahata, Shoji Shiga, Hisako Hori | 1990-01-16 |
| 4791239 | Multilayer printed wiring board and method for producing the same | Isao Shirahata, Shoji Shiga, Hisako Hori | 1988-12-13 |