Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11546683 | Acoustic output device | Yoshihisa Kadosawa, Yuki Shimizu | 2023-01-03 |
| 9854366 | Speaker device | — | 2017-12-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11546683 | Acoustic output device | Yoshihisa Kadosawa, Yuki Shimizu | 2023-01-03 |
| 9854366 | Speaker device | — | 2017-12-26 |