Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10328831 | Acoustic device | Naoki Takada, Takao Ishikawa, Takahiko NAGASAWA, Yasuyuki Ito | 2019-06-25 |
| 10237648 | Sound collecting device, and method of controlling sound collecting device | Naoki Takada | 2019-03-19 |