Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11805367 | Speaker | Hiroki Toita, Ryosuke Tachi | 2023-10-31 |
| 11750976 | In-vehicle sound emitting device | — | 2023-09-05 |
| 11700479 | Acoustic device | — | 2023-07-11 |
| 11631801 | Multilayer piezoelectric ceramic and method for manufacturing same, multilayer piezoelectric element, as well as piezoelectric vibration device | Tomohiro Harada, Takayuki Goto, Hiroyuki Shimizu, Sumiaki Kishimoto | 2023-04-18 |