Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8114700 | Method of fabricating an ultra-small condenser microphone | Yoshiyuki Miyashita, Kazumoto Doi, Hiroaki Iwaseki | 2012-02-14 |
| 7855095 | Method of fabricating an ultra-small condenser microphone | Yoshiyuki Miyashita, Kazumoto Doi, Hiroaki Iwaseki | 2010-12-21 |