Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9590162 | Piezoelectric vibration component and portable terminal | Yasuhito Fujii, Satoru Iwasaki, Kenji Yamakawa | 2017-03-07 |
| 9583692 | Piezoelectric vibration device and portable terminal using the same | Kenji Yamakawa, Satoru Iwasaki | 2017-02-28 |