Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8933615 | Tuning fork piezoelectric vibrator with clearance groove formed on the base side of the package | Shunsuke Ueno, Hiroki Iwai | 2015-01-13 |
| 8928207 | Tuning-fork type quartz-crystal vibrating pieces and piezoelectric devices having low crystal impedance | — | 2015-01-06 |
| 8803407 | Piezoelectric device with asymmetrically mounted tuning-fork type piezoelectric vibrating piece | Yuichi Kawase, Toshiaki Motegi | 2014-08-12 |
| 8716922 | Tuning-fork type piezoelectric vibrating pieces and devices exhibiting reduced hampering of vibration | — | 2014-05-06 |
| 8134284 | Tuning-fork type piezoelectric vibrating pieces having similarly shaped vibrating-root and supporting root portions | — | 2012-03-13 |
| 8076830 | Piezoelectric vibrating pieces, and piezoelectric vibrators and oscillators comprising same | — | 2011-12-13 |
| 7906890 | Piezoelectric vibrating pieces, frames, and devices | Masahiro Yoshimatsu | 2011-03-15 |
| 7902729 | Piezoelectric vibrating pieces and piezoelectric devices | Yu Iwai, Ryoichi Ichikawa | 2011-03-08 |
| 7352117 | Piezoelectric vibrator | Minoru Ishihara, Kozo Ono | 2008-04-01 |
| 6949870 | Tuning fork-type crystal vibrator | Kozo Ono, Minoru Ishihara | 2005-09-27 |