Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224477 | Electroacoustic conversion film web, electroacoustic conversion film, and method of manufacturing an electroacoustic conversion film web | Tetsu Miyoshi | 2019-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10224477 | Electroacoustic conversion film web, electroacoustic conversion film, and method of manufacturing an electroacoustic conversion film web | Tetsu Miyoshi | 2019-03-05 |