Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394403 | Active noise control system | Ryosuke Tachi | 2025-08-19 |
| 12223978 | Audio system | Nozomu Saito | 2025-02-11 |
| 11276385 | Noise reduction device, vehicle, noise reduction system, and noise reduction method | Ryosuke Tachi, Mone Isami, Ryo Ito, Haruki UESUGI | 2022-03-15 |
| 9963083 | Vehicle loudspeaker system | Ryo Ito, Arata Tada | 2018-05-08 |