Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11889767 | Multilayer piezoelectric ceramic and method for manufacturing same, multilayer piezoelectric element, as well as piezoelectric vibration apparatus | Ryo Ito, Takayuki Goto, Hiroyuki Shimizu, Sumiaki Kishimoto | 2024-01-30 |
| 10418542 | Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramic | Takayuki Goto, Keiichi Hatano, Sumiaki Kishimoto, Yutaka Doshida | 2019-09-17 |
| 9786833 | Piezoelectric ceramic, method of manufacturing same, and piezoelectric ceramic speaker using same | Takayuki Goto, Keiichi Hatano, Sumiaki Kishimoto, Yutaka Doshida | 2017-10-10 |