Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770647 | Electroacoustic conversion film web, electroacoustic conversion film, and method of manufacturing an electroacoustic conversion film web | Akihito Fukunaga | 2020-09-08 |
| 10575087 | Pickup sensor and biological sensor | Jun Sato | 2020-02-25 |
| 10567884 | Electroacoustic transducer | — | 2020-02-18 |