Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7679566 | Antenna structure having stable properties and headset | Akihiro Kato, Masao Miyaura, Atsushi Murata | 2010-03-16 |
| 6897813 | Combined antenna with antenna combining circularly polarized wave antenna and vertical antenna | — | 2005-05-24 |
| 6707426 | Compact, vibration-resistant circularly polarized wave antenna | Makoto Shigihara | 2004-03-16 |