Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10600401 | Noise reduction device, mobile body device, and noise reduction method | Yoshiyuki Hayashi | 2020-03-24 |
| 9445192 | Active-noise-reduction device, and active-noise-reduction system, mobile device and active-noise-reduction method which use same | Yoshio Nakamura | 2016-09-13 |