Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |