Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11330373 | Dome type diaphragm, balanced dome diaphragm, and speaker | Tomoaki Ogata, Kazuyuki Inagaki | 2022-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11330373 | Dome type diaphragm, balanced dome diaphragm, and speaker | Tomoaki Ogata, Kazuyuki Inagaki | 2022-05-10 |