Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10728663 | Method and apparatus for setting filter frequency response | Kenji Ishizuka, Kenichi Tamiya, Toshifumi Kunimoto | 2020-07-28 |
| 9824674 | Recording method, recording system, recording program storage medium, acoustic processing method, and acoustic processing device | Yu TAKAHASHI, Motoichi Tamura | 2017-11-21 |
| 9454956 | Sound processing device | — | 2016-09-27 |
| 9224406 | Technique for estimating particular audio component | Jordi Bonada, Jordi Janer, Ricard Marxer, Yasuyuki Umeyama, Francisco Garcia | 2015-12-29 |
| 9123348 | Sound processing device | Makoto Yamada | 2015-09-01 |
| 9106993 | Sound processing apparatus | Yu TAKAHASHI, Yasuyuki Umeyama | 2015-08-11 |
| 9070370 | Technique for suppressing particular audio component | Jordi Bonada, Jordi Janer, Ricard Marxer, Yasuyuki Umeyama | 2015-06-30 |
| 9002035 | Graphical audio signal control | Yasuyuki Umeyama, Yu TAKAHASHI, Jordi Bonada, Jordi Janer, Ricard Marxer | 2015-04-07 |
| 8634275 | Audio processing device | Kenichi Yamauchi, Hideki Kemmochi | 2014-01-21 |
| 8090119 | Noise suppressing apparatus and program | — | 2012-01-03 |
| 6835885 | Time-axis compression/expansion method and apparatus for multitrack signals | Koji Niimi | 2004-12-28 |
| 6487536 | Time-axis compression/expansion method and apparatus for multichannel signals | Shinji Koezuka | 2002-11-26 |
| 6278385 | Vector quantizer and vector quantization method | Kenichi Yamauchi, Eiko Kobayashi | 2001-08-21 |
| 6232540 | Time-scale modification method and apparatus for rhythm source signals | — | 2001-05-15 |
| 6141637 | Speech signal encoding and decoding system, speech encoding apparatus, speech decoding apparatus, speech encoding and decoding method, and storage medium storing a program for carrying out the method | — | 2000-10-31 |
| 5952596 | Method of changing tempo and pitch of audio by digital signal processing | — | 1999-09-14 |
| 5867815 | Method and device for controlling the levels of voiced speech, unvoiced speech, and noise for transmission and reproduction | Akitoshi Saito | 1999-02-02 |