Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10034090 | Audio control device | Yoshikazu Maeda, Masashi Saito | 2018-07-24 |
| 9930450 | Audio apparatus, and current control method | — | 2018-03-27 |
| 9041412 | Methods of testing a connection between speakers and a power amplifier and devices therefor | Taro Kitagawa | 2015-05-26 |