Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9743166 | Device generating sound | Yoshiyuki Abe, Katsunori Kumasaka, Kouichi Shuta, Osamu Yamazaki, Hiroshi Shima | 2017-08-22 |
| 9544694 | Piezoelectric element, piezoelectric vibration module, and methods of manufacturing the same | Yoshiyuki Abe, Takeshi Mizuno, Hiroshi Shima, Masao Yamaguchi, Katsunori Kumasaka | 2017-01-10 |