Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10277197 | Piezoelectric vibrating piece and piezoelectric device | Shigetaka Kaga, Kazuhiro Hirota, Masaaki Nakahara | 2019-04-30 |
| 10250225 | AT-cut crystal element, crystal resonator and crystal unit | Yoshiharu Sato, Hirokazu Iwata, Kazuhiro Hirota | 2019-04-02 |