Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10251004 | Sound distribution apparatus, sound reproduction terminal, authentication device, sound distribution system, and sound distribution method | Yasuhide Hosoda, Tetsuro Tsuji, Takashi Nakanishi | 2019-04-02 |