Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11096618 | Signal feature extraction apparatus, signal feature extraction method, and program | Kana Eguchi, Tsutomu Yabuuchi, Kazuhiro Yoshida, Osamu Mizuno | 2021-08-24 |
| 10607631 | Signal feature extraction apparatus, signal feature extraction method, and program | Kana Eguchi, Tsutomu Yabuuchi, Kazuhiro Yoshida, Osamu Mizuno | 2020-03-31 |
| 6553122 | Method and apparatus for multi-channel acoustic echo cancellation and recording medium with the method recorded thereon | Yoichi Haneda, Shoji Makino, Yutaka Kaneda | 2003-04-22 |
| 6246760 | Subband echo cancellation method for multichannel audio teleconference and echo canceller using the same | Shoji Makino, Yoichi Haneda, Akira Nakagawa, Junji Kojima | 2001-06-12 |
| 5818945 | Subband echo cancellation method using projection algorithm | Shoji Makino, Yoichi Haneda, Akira Nakagawa, Masashi Tanaka, Junji Kojima | 1998-10-06 |
| 5774561 | Subband acoustic echo canceller | Akira Nakagawa, Yoichi Haneda, Shoji Makino, Junji Kojima | 1998-06-30 |
| 5761318 | Method and apparatus for multi-channel acoustic echo cancellation | Shoji Makino, Junji Kojima | 1998-06-02 |
| 5721772 | Subband acoustic echo canceller | Yoichi Haneda, Shoji Makino, Akira Nakagawa, Junji Kojima | 1998-02-24 |
| 5661813 | Method and apparatus for multi-channel acoustic echo cancellation | Shoji Makino, Junji Kojima | 1997-08-26 |