Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262247 | Thin copper foil for printed wiring board | Toshiyuki Kajiwara, Kazuhiko Hashimoto | 1993-11-16 |
| 5114543 | Method of making thin copper foil for printed wiring board | Toshiyuki Kajiwara, Kazuhiko Hashimoto | 1992-05-19 |
| 4387006 | Method of treating the surface of the copper foil used in printed wire boards | Toshiyuki Kajiwara, Katsuhito Fukuda | 1983-06-07 |