Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D905016 | Headphone | Yutaro Kumagai | 2020-12-15 |
| D893458 | Headshell | — | 2020-08-18 |
| D876429 | Pick-up cartridge | Aya Mashimo, Daichi Yamakawa, Shohei Araki | 2020-02-25 |
| D873237 | Headphone | Hiromichi Ozawa, Shohei Araki | 2020-01-21 |
| D872706 | Headphone | Shohei Araki | 2020-01-14 |