Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10873810 | Sound pickup device and sound pickup method | Mikio Muramatsu, Takayuki Inoue, Satoshi Ukai | 2020-12-22 |
| 10827075 | Echo reducer, voice communication device, method for reducing echo, and recording medium | Satoshi Ukai, Yoshifumi Oizumi | 2020-11-03 |