Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661813 | Method and apparatus for multi-channel acoustic echo cancellation | Suehiro Shimauchi, Junji Kojima | 1997-08-26 |
| 5607634 | High speed process for producing polyester filaments | Katsutoshi Taniguchi | 1997-03-04 |
| 5602765 | Adaptive transfer function estimating method and estimating device using the same | Masashi Tanaka, Yutaka Kaneda, Yoichi Haneda, Junji Kojima | 1997-02-11 |