Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381903 | Printed circuit board and inspection method therefor | Hideya Yoshikawa, Hiroaki Inose | 2008-06-03 |
| 6713682 | Through hole conduction structure of flexible multilayer circuit board and forming method thereof | Kenichi Hirahara, Toshiyuki Tsukahara | 2004-03-30 |
| 6687984 | Method for manufacturing flexible multilayer circuit board | Akihiko Toyoshima, Katsunori Kokubun | 2004-02-10 |
| 6633487 | Method for manufacturing hybrid circuit board | Akihiko Toyoshima | 2003-10-14 |
| 6523257 | Method for forming fine through hole conduction portion of circuit board | Katsunori Kokubun, Toshiyuki Tsukahara | 2003-02-25 |