Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770647 | Electroacoustic conversion film web, electroacoustic conversion film, and method of manufacturing an electroacoustic conversion film web | Tetsu Miyoshi | 2020-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770647 | Electroacoustic conversion film web, electroacoustic conversion film, and method of manufacturing an electroacoustic conversion film web | Tetsu Miyoshi | 2020-09-08 |