Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10165344 | Headphone | Naofumi Imai, Tomoya Takahashi | 2018-12-25 |
| 10165351 | Headphone | Naofumi Imai, Tomoya Takahashi | 2018-12-25 |
| 10080076 | Headphone device | Tomoya Takahashi, Masahiro Koike, Naofumi Imai | 2018-09-18 |