Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9837597 | Piezoelectric sound-generating body and electronic device using the same | Norikazu Sashida, Yoshiyuki Watanabe | 2017-12-05 |
| 9654881 | Electroacoustic transducer | Takashi Tomita, Fumihisa Ito, Yutaka Doshida, Yoshiyuki Watanabe | 2017-05-16 |
| 9601682 | Electroacoustic transducer | Takashi Tomita, Fumihisa Ito, Yutaka Doshida, Yoshiyuki Watanabe | 2017-03-21 |