Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6897743 | Electronic apparatus with two quartz crystal oscillators utilizing different vibration modes | — | 2005-05-24 |
| 6791243 | Quartz crystal unit and its manufacturing method | — | 2004-09-14 |
| 6717336 | Width-extensional mode piezoelectric crystal resonator | — | 2004-04-06 |
| 6707234 | Quartz crystal unit, its manufacturing method and quartz crystal oscillator | — | 2004-03-16 |
| 6545394 | Lame mode quartz crystal resonator | — | 2003-04-08 |
| 6010572 | Dip coating apparatus for manufacturing electrophotographic photoreceptor | Yasuo Furusawa, Toshiaki Takahashi, Shigeto Hashiba, Kiyoshi Hashimoto | 2000-01-04 |
| 5469010 | Method of adjusting frequency of NS-GT cut quartz resonator | — | 1995-11-21 |
| 5334900 | Torsional quartz crystal resonator | — | 1994-08-02 |
| 5311096 | KT cut width-extensional mode quartz crystal resonator | — | 1994-05-10 |
| 5218260 | Longitudinal quartz crystal resonator | — | 1993-06-08 |
| 5059853 | Longitudinal quartz crystal resonator | — | 1991-10-22 |
| 5001383 | Longitudinal quartz crystal resonator | — | 1991-03-19 |
| 4900971 | Face shear mode quartz crystal resonator | — | 1990-02-13 |
| 4633124 | Mount for quartz crystal resonator | — | 1986-12-30 |
| 4525646 | Flexural mode vibrator formed of lithium tantalate | — | 1985-06-25 |
| 4484382 | Method of adjusting resonant frequency of a coupling resonator | — | 1984-11-27 |
| 4472655 | Tuning fork flexural quartz resonator | — | 1984-09-18 |
| 4355257 | Thickness shear type piezoelectric vibrator with integral mounting | Akira Watanabe, Yasunori Ebihara | 1982-10-19 |
| 4234812 | Thickness-width shear quartz crystal vibrator | — | 1980-11-18 |