Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D894151 | Headphone | Sayo Matsubara, Stefan Wennerström, Naoto Nakamura, Kiyotaka Kakemizu | 2020-08-25 |
| D893451 | Headphone | Sayo Matsubara, Stefan Wennerström, Naoto Nakamura, Kiyotaka Kakemizu | 2020-08-18 |
| D893449 | Headphone | Kodai Tsubone, Shohei Araki | 2020-08-18 |
| D893450 | Headphone | Sayo Matsubara, Stefan Wennerström, Naoto Nakamura, Takashi Nara | 2020-08-18 |
| D875067 | Headphone | Kodai Tsubone, Shohei Araki | 2020-02-11 |
| D875068 | Headphone | Kodai Tsubone, Shohei Araki | 2020-02-11 |
| D852163 | Headphone | Shohei Araki | 2019-06-25 |
| D810719 | Earphone | Jun Shibayama | 2018-02-20 |
| D795835 | Headphone | Hisaya Hagiwara | 2017-08-29 |