Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36559 | Method and apparatus for encoding audio signals divided into a plurality of frequency bands | Yoshihito Fujiwara, Masayuki Nishiguchi, Makoto Akune, Naoto Iwahashi, Kenzo Akagiri | 2000-02-08 |
| 5151941 | Digital signal encoding apparatus | Masayuki Nishiguchi, Yoshihito Fujiwara | 1992-09-29 |
| 5115240 | Method and apparatus for encoding voice signals divided into a plurality of frequency bands | Yoshihito Fujiwara, Masayuki Nishiguchi, Makoto Akune, Naoto Iwahashi, Kenzo Akagiri | 1992-05-19 |