Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920225 | Electret capacitor microphone | Motoaki Ito, Hiroshi Fujinami, Yoshio Imahori | 2005-07-19 |
| 6904155 | Electret capacitor microphone | Motoaki Ito, Yoshio Imahori | 2005-06-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920225 | Electret capacitor microphone | Motoaki Ito, Hiroshi Fujinami, Yoshio Imahori | 2005-07-19 |
| 6904155 | Electret capacitor microphone | Motoaki Ito, Yoshio Imahori | 2005-06-07 |