Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10511914 | Electret element, microphone having electret element mounted therein and electret element manufacturing method | Gen Hashiguchi, Yuki Nishimori, Masato Suzuki, Kazunori Ishibashi | 2019-12-17 |
| 10405103 | Electret element, microphone having electret element mounted therein and electret element manufacturing method | Gen Hashiguchi, Yuki Nishimori, Masato Suzuki, Kazunori Ishibashi | 2019-09-03 |