Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8587389 | Electronic device | Wataru Koga, Yuuko Yokota, Yoshifumi Yamagata | 2013-11-19 |
| 7733197 | Duplexer and communications equipment | — | 2010-06-08 |
| 7602264 | Filter device, multiband filter, duplexer and communications equipment using the filter device | Yuuko Yokota | 2009-10-13 |