Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11763828 | Frequency band expansion device, frequency band expansion method, and storage medium storing frequency band expansion program | Kosuke HOSOYA | 2023-09-19 |
| 11594208 | Information processing device, sound masking system, control method, and recording medium | Kaori HANDA | 2023-02-28 |