Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346750 | Porous substrate and conductive ink filled vias for printed circuits | Akihito Hatakeyama, Tamao Kojima, Yasuhiko Horio, Masahide Tsukamoto, Yasushi Fukumura | 1994-09-13 |