Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9680432 | Power amplifier and input signal adjusting method | Yohei Otani | 2017-06-13 |
| 9647614 | Power amplifier | Yohei Otani | 2017-05-09 |
| 9560453 | Electroacoustic transducer | — | 2017-01-31 |
| D775608 | Speaker diaphragm | Soichi Takigawa, Kenichi Yoshinaga, Akihiko Nozaki | 2017-01-03 |