Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11195983 | Piezoelectric film, piezoelectric element, and method for manufacturing piezoelectric film | Daigo SAWAKI | 2021-12-07 |
| 11140500 | Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument | Tetsu Miyoshi | 2021-10-05 |