Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12363493 | Audio signal processing method and audio signal processing device | Masashi Suzuki | 2025-07-15 |
| 12328556 | Sound processing method, and sound processing system | Takamitsu Aoki, Motoichi Tamura, Shinya Koseki, Hideaki Takehisa | 2025-06-10 |
| 12315528 | Filtering method, filtering device, and storage medium stored with filtering program | Ryo Tanaka | 2025-05-27 |
| 12126890 | Image processing method and image processing apparatus | — | 2024-10-22 |
| 11956606 | Audio signal processing method and audio signal processing apparatus that process an audio signal based on posture information | Ryo Tanaka | 2024-04-09 |
| 11875800 | Talker prediction method, talker prediction device, and communication system | Ryo Tanaka | 2024-01-16 |
| 11758322 | Sound pickup device and sound pickup method | — | 2023-09-12 |
| 11736887 | Audio signal processing method and audio signal processing apparatus that process an audio signal based on position information | Ryo Tanaka | 2023-08-22 |
| 11711416 | Signal processing method and signal processing apparatus | — | 2023-07-25 |
| 11589158 | Microphone array system | — | 2023-02-21 |
| 11355099 | Word extraction device, related conference extraction system, and word extraction method | — | 2022-06-07 |
| 11259116 | Sound processing method, remote conversation method, sound processing device, remote conversation device, headset, and remote conversation system | Mikio Muramatsu | 2022-02-22 |
| 11217263 | Sound collection device, moving body, and sound collection method | Kohei Kanamori | 2022-01-04 |
| 11197091 | Sound pickup device and sound pickup method | — | 2021-12-07 |
| 10979839 | Sound pickup device and sound pickup method | Tetsuto Kawai, Mikio Muramatsu, Takayuki Inoue | 2021-04-13 |
| 10893358 | Gain adjustment device, remote conversation device, and gain adjustment method | Mikio Muramatsu | 2021-01-12 |
| 10873810 | Sound pickup device and sound pickup method | Tetsuto Kawai, Mikio Muramatsu, Takayuki Inoue | 2020-12-22 |
| 10827075 | Echo reducer, voice communication device, method for reducing echo, and recording medium | Tetsuto Kawai, Yoshifumi Oizumi | 2020-11-03 |
| 10764441 | Sound signal processing device and sound signal processing method | Takayuki Inoue | 2020-09-01 |
| 10418956 | Signal processing apparatus, speaker apparatus, and signal processing method | Mikio Muramatsu | 2019-09-17 |
| 10038769 | Sound emission and collection device, and sound emission and collection method | Takashi Yamakawa | 2018-07-31 |
| 9807215 | Sound emission and collection device, and sound emission and collection method | Takashi Yamakawa | 2017-10-31 |
| 9532134 | Sound pickup apparatus | Seiichiro Hosoe, Yuichiro Suenaga, Ryo Oouchi | 2016-12-27 |
| 9294833 | Sound collection device | Ryo Oouchi, Yuichiro Suenaga, Seiichiro Hosoe | 2016-03-22 |
| 8559647 | Sound emitting and collecting apparatus | Satoshi Suzuki | 2013-10-15 |