Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10856061 | Speaker device | Minoru Umesako, Takuto Takizawa, Hiroya Morikawa | 2020-12-01 |
| 10674275 | Electroacoustic transducer and display apparatus | Senri NAKAMOTO, Katsuhiko Kotsugi, Kazutaka Goto | 2020-06-02 |