Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11871181 | Speaker array, signal processing device, signal processing method, and signal processing program | Kimitaka Tsutsumi, Kenta Imaizumi, Atsushi Nakadaira | 2024-01-09 |
| 11356790 | Sound image reproduction device, sound image reproduction method, and sound image reproduction program | Kimitaka Tsutsumi, Kenichi Noguchi, Hideaki Takada | 2022-06-07 |
| 11122363 | Acoustic signal processing device, acoustic signal processing method, and acoustic signal processing program | Kimitaka Tsutsumi, Kenichi Noguchi, Hideaki Takada | 2021-09-14 |
| 9191738 | Sound enhancement method, device, program and recording medium | Kenta NIWA, Sumitaka Sakauchi, Kenichi Furuya | 2015-11-17 |
| 6553122 | Method and apparatus for multi-channel acoustic echo cancellation and recording medium with the method recorded thereon | Suehiro Shimauchi, Shoji Makino, Yutaka Kaneda | 2003-04-22 |
| 6246760 | Subband echo cancellation method for multichannel audio teleconference and echo canceller using the same | Shoji Makino, Suehiro Shimauchi, Akira Nakagawa, Junji Kojima | 2001-06-12 |
| 5818945 | Subband echo cancellation method using projection algorithm | Shoji Makino, Akira Nakagawa, Masashi Tanaka, Suehiro Shimauchi, Junji Kojima | 1998-10-06 |
| 5774561 | Subband acoustic echo canceller | Akira Nakagawa, Shoji Makino, Suehiro Shimauchi, Junji Kojima | 1998-06-30 |
| 5721772 | Subband acoustic echo canceller | Shoji Makino, Akira Nakagawa, Suehiro Shimauchi, Junji Kojima | 1998-02-24 |
| 5602765 | Adaptive transfer function estimating method and estimating device using the same | Masashi Tanaka, Yutaka Kaneda, Shoji Makino, Junji Kojima | 1997-02-11 |
| 5539731 | Echo cancelling method and apparatus using fast projection scheme | Shoji Makino, Masashi Tanaka, Yutaka Kaneda | 1996-07-23 |
| 5272695 | Subband echo canceller with adjustable coefficients using a series of step sizes | Shoji Makino, Yutaka Kanesa | 1993-12-21 |
| 5187692 | Acoustic transfer function simulating method and simulator using the same | Shoji Makino, Yutaka Kaneda | 1993-02-16 |