Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938941 | Earphone | Toru Ueno, Toru Fusejima | 2021-12-21 |
| 10955682 | Sound signal transmitter and wireless microphone | — | 2021-03-23 |
| D907602 | Infrared receiver | Yoshiya Watanabe | 2021-01-12 |