Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7679566 | Antenna structure having stable properties and headset | Masahiko Higasa, Akihiro Kato, Atsushi Murata | 2010-03-16 |
| 6208217 | Ask modulator with frequency dependent voltage divider | — | 2001-03-27 |
| 6176432 | Modulating and demodulating device | — | 2001-01-23 |
| 6104259 | Harmonic suppression circuit | — | 2000-08-15 |