Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661813 | Method and apparatus for multi-channel acoustic echo cancellation | Suehiro Shimauchi, Shoji Makino | 1997-08-26 |
| 5602765 | Adaptive transfer function estimating method and estimating device using the same | Masashi Tanaka, Yutaka Kaneda, Shoji Makino, Yoichi Haneda | 1997-02-11 |