Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203039 | Acoustic-electric transducer | Koichi IRII, Mika Yoshino, Hiroshi Akino | 2021-12-21 |
| 10893354 | Headset | Koichi IRII, Mika Ito, Yutaka Akino | 2021-01-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203039 | Acoustic-electric transducer | Koichi IRII, Mika Yoshino, Hiroshi Akino | 2021-12-21 |
| 10893354 | Headset | Koichi IRII, Mika Ito, Yutaka Akino | 2021-01-12 |