Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139796 | Crystal vibration element, and crystal vibrator equipped with crystal vibration element | Toru Kidu, Takashi Hase, Takeshi Kamada, Shigeaki Sugimura | 2021-10-05 |
| 11121697 | Quartz crystal resonator and quartz crystal resonator unit | Ryuichi Kawai, Hiroyuki Yamamoto | 2021-09-14 |
| 11075615 | Crystal vibration element, and crystal vibrator equipped with crystal vibration element | Toru Kidu, Takashi Hase, Takeshi Kamada, Shigeaki Sugimura | 2021-07-27 |
| 11038485 | Crystal vibration element, and crystal vibrator equipped with crystal vibration element | Toru Kidu, Takashi Hase, Takeshi Kamada, Shigeaki Sugimura | 2021-06-15 |
| 10938370 | Piezoelectric resonator unit, module component, and manufacturing method for same | Kentaro Yoshii, Takashi Saeki | 2021-03-02 |