Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132643 | Crystal resonator with plural electrodes for use in a crystal oscillating device of a temperature compensation type | Hiroaki Ishii, Hiroshi Shimizu | 1992-07-21 |
| 5004988 | Quartz crystal oscillator with temperature-compensated frequency characteristics | Takihei Tanzawa, Takayuki Suzuki | 1991-04-02 |