Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920225 | Electret capacitor microphone | Kentaro Yonehara, Motoaki Ito, Hiroshi Fujinami | 2005-07-19 |
| 6904155 | Electret capacitor microphone | Kentaro Yonehara, Motoaki Ito | 2005-06-07 |
| 6853735 | Receiver and portable communication device | Kiyoshi Urushibata, Isao Fushimi | 2005-02-08 |