Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11800272 | Headphone device | Tomoya Takahashi | 2023-10-24 |
| 11735154 | Earpiece device | Tomoya Takahashi | 2023-08-22 |
| D912643 | Headphone | Yasuhiko Nakayama, Tomoya Takahashi, Haruhiko Nishizawa, Xian-Bang Xie, Gui-Feng Li | 2021-03-09 |
| 10165351 | Headphone | Naofumi Imai, Tomoya Takahashi | 2018-12-25 |
| 10165344 | Headphone | Naofumi Imai, Tomoya Takahashi | 2018-12-25 |
| 10080076 | Headphone device | Tomoya Takahashi, Masahiro Koike, Naofumi Imai | 2018-09-18 |
| 5311238 | Zoom lens bearing camera | Hiroshi Ikeda | 1994-05-10 |