Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10425057 | Quartz crystal blank and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroaki Kaida | 2019-09-24 |
| 10418964 | Quartz crystal blank and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroaki Kaida | 2019-09-17 |
| 10411673 | Quartz crystal blank and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroaki Kaida | 2019-09-10 |
| 10361675 | Quartz crystal blank and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroaki Kaida | 2019-07-23 |
| 10027309 | Quartz crystal blank and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroaki Kaida | 2018-07-17 |
| 10009005 | Quartz crystal blank and quartz crystal resonator unit | Hiroaki Kaida | 2018-06-26 |
| 9985603 | Quartz crystal blank and quartz crystal resonator unit | Hiroyuki Yamamoto, Hiroaki Kaida | 2018-05-29 |
| 9905747 | Crystal vibration device | Hiroyuki Yamamoto | 2018-02-27 |
| 9509275 | Quartz vibrating device with conductive adhesive layers having specific bonding surface area | Hiroyuki Yamamoto | 2016-11-29 |