Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1018496 | Headphone | Yuki Nojiri | 2024-03-19 |
| 11203039 | Acoustic-electric transducer | Koichi IRII, Kosumo Miyauchi, Hiroshi Akino | 2021-12-21 |
| D894153 | Headset | Yutaro Kumagai | 2020-08-25 |
| D866506 | Headphone | Shohei Araki | 2019-11-12 |