Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10165371 | Electronic device | Yukihiro Matsui, Hiroshi Hamada, Keiichi Kobayashi | 2018-12-25 |
| 10121956 | Electroacoustic transducer | Takashi Tomita, Hiroshi Hamada, Yutaka Doshida | 2018-11-06 |
| 9973857 | Piezoelectric speaker and electroacoustic transducer | Yasukazu Tokuhisa, Takashi Tomita, Hiroshi Hamada, Yutaka Doshida, Yoshiyuki Watanabe | 2018-05-15 |
| 9891736 | Vibrating device and electronic device using same | Yoshiyuki Watanabe | 2018-02-13 |