Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |