Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11478821 | Vibration generating device | Hiroshi Hamada, Yukihiro Matsui, Takashi Tomita | 2022-10-25 |
| 11469363 | Piezoelectric actuator, vibration generating device and electronic equipment | Yukihiro Matsui | 2022-10-11 |