Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829360 | Method and apparatus for expanding band of audio signal | Kazuya Iwata, Akira Sobajima | 2004-12-07 |
| 6751177 | Signal processor | Kazutaka Abe, Masaharu Matsumoto, Akihisa Kawamura, Masatoshi Shimbo | 2004-06-15 |