Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10840882 | Crystal unit and manufacturing method thereof | Koji Toshikawa, Shinobu Yoshida, Tetsuya Watanabe, Kazuhiro Hirota, Yoshiro TESHIMA | 2020-11-17 |
| 10819307 | Crystal unit and manufacturing method thereof | Yoshiharu Sato, Tetsuya Watanabe, Shinobu Yoshida | 2020-10-27 |
| 10771038 | Crystal unit | Koji Toshikawa, Shinobu Yoshida | 2020-09-08 |
| 10659005 | At-cut crystal element, crystal resonator and crystal unit | Takayuki Kuwahara, Kenji Shimao | 2020-05-19 |
| 10529910 | Piezoelectric device | Yoshiharu Sato | 2020-01-07 |