Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11309864 | Piezoelectric resonator unit and method for manufacturing the piezoelectric resonator unit | Hiroshi Ibaragi | 2022-04-19 |
| 11121697 | Quartz crystal resonator and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroaki Kaida | 2021-09-14 |
| 10476475 | Piezoelectric resonator unit and manufacturing method for the same | Hiroshi Ibaragi | 2019-11-12 |
| 10135420 | Quartz crystal blank and quartz crystal resonator unit | Hiroshi Ibaragi, Hiroyuki Yamamoto | 2018-11-20 |
| 9985604 | Quartz crystal blank and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroshi Ibaragi | 2018-05-29 |