Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11997930 | Piezoelectric element and method for manufacturing same | Koichi Tsukagoshi | 2024-05-28 |
| 11895924 | Piezoelectric ceramic composition and manufacturing method thereof, including piezoelectric ceramic, piezoelectric element, and piezoelectric vibration device | Sadanori Shimoda | 2024-02-06 |
| 10446737 | Piezoelectric element and method of manufacturing the same | Sumiaki Kishimoto, Tomohiro Harada, Yutaka Doshida | 2019-10-15 |
| 10418542 | Piezoelectric ceramic speaker using vibration sheet formed with piezoelectric ceramic | Gouki Watanabe, Takayuki Goto, Sumiaki Kishimoto, Yutaka Doshida | 2019-09-17 |
| 9786833 | Piezoelectric ceramic, method of manufacturing same, and piezoelectric ceramic speaker using same | Gouki Watanabe, Takayuki Goto, Sumiaki Kishimoto, Yutaka Doshida | 2017-10-10 |
| 9537082 | Piezoelectric ceramic, piezoelectric ceramic component, and piezoelectric device using such piezoelectric ceramic component | Hiroyuki Shimizu, Yutaka Doshida | 2017-01-03 |
| 9450173 | Piezoelectric ceramic and piezoelectric element | Sumiaki Kishimoto, Yutaka Doshida | 2016-09-20 |
| 9281465 | Piezoelectric element and method of manufacturing the same | Hiroyuki Shimizu, Yutaka Doshida | 2016-03-08 |
| 8674589 | Piezoelectric ceramics and multi-layered piezoelectric ceramic components | Hiroyuki Shimizu, Asa Yamamoto, Yutaka Doshida | 2014-03-18 |
| 8487515 | Piezoelectric ceramic, process for producing the piezoelectric ceramic, and piezoelectric device | Sumiaki Kishimoto, Yutaka Doshida | 2013-07-16 |
| 8471442 | Piezoelectric ceramic, method for producing same, and piezoelectric device | Yutaka Doshida | 2013-06-25 |