Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829360 | Method and apparatus for expanding band of audio signal | Kazuya Iwata, Naoki Ejima | 2004-12-07 |
| 5539403 | D/A conversion apparatus and A/D conversion apparatus | Yasunori Tani, Tetsuhiko Kaneaki, Hideaki Hatanaka, Yoshihiko Fukumoto | 1996-07-23 |
| 5210709 | Digital filter for removing DC components | Yasunori Tani, Tetsuhiko Kaneaki | 1993-05-11 |