Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11477572 | Speaker drive unit, speaker apparatus, and speaker driving method | Masaki Kamata, Michiaki Yoneda, Yoshiyuki Kuroda | 2022-10-18 |
| 11445289 | Audio processing device and audio processing method | Go Igarashi, Shigetoshi Hayashi, Kohei Asada | 2022-09-13 |
| 11405712 | Sound output apparatus | Go Igarashi, Kohei Asada | 2022-08-02 |
| 11350203 | Headphone device | Kohei Asada, Shigetoshi Hayashi, Go Igarashi | 2022-05-31 |