Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11477572 | Speaker drive unit, speaker apparatus, and speaker driving method | Masaki Kamata, Naoki Shinmen, Yoshiyuki Kuroda | 2022-10-18 |
| 11463810 | Sound output control apparatus and sound output control method | Masaki Kamata, Yasuhiro Toguri | 2022-10-04 |