Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10805732 | Diaphragm or dust cap and speaker unit | Takeru Inoue, Hajime Yoshimura, Sadatoshi Hisamoto | 2020-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10805732 | Diaphragm or dust cap and speaker unit | Takeru Inoue, Hajime Yoshimura, Sadatoshi Hisamoto | 2020-10-13 |