Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938941 | Earphone | Keigo Iwahori, Toru Ueno | 2021-12-21 |
| D936034 | Earphone | Kohei Yoshida, Koji Yano | 2021-11-16 |
| D908663 | Headphone | Akihito Tamamura | 2021-01-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938941 | Earphone | Keigo Iwahori, Toru Ueno | 2021-12-21 |
| D936034 | Earphone | Kohei Yoshida, Koji Yano | 2021-11-16 |
| D908663 | Headphone | Akihito Tamamura | 2021-01-26 |