Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870938 | Semiconductor electret capacitor microphone | Takanobu Takeuchi, Yoshiaki Ohbayashi, Mamoru Yasuda | 2005-03-22 |
| 6839502 | Reproduction apparatus and computer-readable recording medium | Tokuo Nakatani | 2005-01-04 |