Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10382867 | Voice recorder | Taishi Toyono | 2019-08-13 |
| 9900693 | XY-type microphone unit and sound recording apparatus | — | 2018-02-20 |
| 9729962 | Stereo microphone device | — | 2017-08-08 |
| 9584916 | Stereo microphone device | — | 2017-02-28 |