Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9786833 | Piezoelectric ceramic, method of manufacturing same, and piezoelectric ceramic speaker using same | Gouki Watanabe, Takayuki Goto, Keiichi Hatano, Yutaka Doshida | 2017-10-10 |