Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11200879 | Sound control device, wearable sound device and control method | Mitsuki Arita | 2021-12-14 |
| 11134356 | Speech providing device, speech reproducing device, speech providing method, and speech reproducing method | Jun Usui, Takahiro Asano, Toru Kamiwada, Hiroki Uchida, Tomomi Yokoyama | 2021-09-28 |