Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370575 | Electrostatic transducer and electrostatic transducer unit | Koichi Hasegawa, Katsuhiko Nakano, Masaki Nasu | 2025-07-29 |
| 12249930 | Electrostatic transducer | Masaki Nasu, Katsuhiko Nakano | 2025-03-11 |