Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10575109 | Sound distribution apparatus, sound reproduction terminal, authentication device, sound distribution system, and sound distribution method | Yasuhide Hosoda, Tetsuro Tsuji, Takashi Nakanishi | 2020-02-25 |