Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485238 | Etching method, etched product formed by the same, and piezoelectric vibration device, method for producing the same | Syunsuke Satoh | 2009-02-03 |
| 6939475 | Etching method, etched product formed by the same, and piezoelectric vibration device, method for producing the same | Syunsuke Satoh | 2005-09-06 |
| 5952898 | Surface mounting piezoelectric filter with a shield electrode on a package partition wall | Hiroyuki Arimura | 1999-09-14 |
| 4639632 | Piezoelectric resonator mountings | Tsutomu Yamakawa | 1987-01-27 |
| RE30506 | Tuning fork-type quartz crystal oscillator and method for stabilizing the vibration frequency thereof | — | 1981-02-03 |