Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11789489 | Vibration system, speaker apparatus and video displaying apparatus | Haruka Sakai, Takahisa Tagami, Emiko Ikeda | 2023-10-17 |
| 10111007 | Speaker device | Takahisa Tagami, Emiko Ikeda | 2018-10-23 |