Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11665478 | Acoustic diaphragm, method of manufacturing acoustic diaphragm, and electroacoustic transducer | — | 2023-05-30 |
| 11317214 | Acoustic diaphragm, method of manufacturing acoustic diaphragm, and electroacoustic transducer | — | 2022-04-26 |
| D920292 | Earphone | Yutaro Kumagai | 2021-05-25 |
| 10687133 | Headphone | — | 2020-06-16 |
| D873237 | Headphone | Yosuke Takubo, Shohei Araki | 2020-01-21 |
| 10028048 | Headphones | — | 2018-07-17 |
| D813847 | Earphone | Shohei Araki | 2018-03-27 |
| D784298 | Earphone | Shohei Araki | 2017-04-18 |
| 8712087 | Earphone | — | 2014-04-29 |
| D639283 | Earphone | Wataru Sakuma | 2011-06-07 |