Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11188293 | Playback sound provision device | Takahiro Suzuki, Yukari Nakane, Hiroshi Ishii | 2021-11-30 |
| 10761803 | Playback sound provision device | Takahiro Suzuki, Yukari Nakane, Hiroshi Ishii | 2020-09-01 |
| 10514886 | Playback sound provision device | Takahiro Suzuki, Yukari Nakane, Hiroshi Ishii | 2019-12-24 |