Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1027907 | Grille for speaker | Masaharu Ohno | 2024-05-21 |
| 11937044 | Sound emission control device | Masumi ADACHI | 2024-03-19 |
| 11937046 | Sound diffuser and diffusion method | Masumi ADACHI | 2024-03-19 |