Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12323763 | Laminated piezoelectric element and electroacoustic transducer | — | 2025-06-03 |
| 12075211 | Laminated piezoelectric element and electroacoustic transducer | Teruo Ashikawa, Kazuo Hiraguchi, Yusuke Kagawa | 2024-08-27 |
| 11910159 | Laminated piezoelectric element and electroacoustic transducer | — | 2024-02-20 |
| 11793078 | Piezoelectric film, laminated piezoelectric element, and electroacoustic transducer | — | 2023-10-17 |
| 11778913 | Piezoelectric film, laminated piezoelectric element, and electroacoustic transducer | — | 2023-10-03 |
| 11540074 | Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument | Naoki Murakami | 2022-12-27 |
| 11140500 | Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument | Naoki Murakami | 2021-10-05 |
| 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 |
| 10455305 | Electroacoustic transducer | — | 2019-10-22 |
| 10341774 | Video audio system | Daisuke Inoue, Shin OZAWA | 2019-07-02 |
| 10284935 | Electroacoustic transducer | — | 2019-05-07 |
| 10264362 | Electroacoustic transducer and electroacoustic transduction system | — | 2019-04-16 |
| 10224477 | Electroacoustic conversion film web, electroacoustic conversion film, and method of manufacturing an electroacoustic conversion film web | Akihito Fukunaga | 2019-03-05 |
| 10091586 | Electroacoustic transduction film and electroacoustic transducer | Shin OZAWA, Daisuke Inoue | 2018-10-02 |
| 10038134 | Electroacoustic transduction film and manufacturing method of electroacoustic transduction film | Daisuke Inoue | 2018-07-31 |
| 9986341 | Electroacoustic converter | — | 2018-05-29 |
| 9973858 | Electro-acoustic conversion film and digital speaker | — | 2018-05-15 |
| 9960342 | Piezoelectric polymer composite material | — | 2018-05-01 |
| 9761784 | Electroacoustic converter film, flexible display, vocal cord microphone, and musical instrument sensor | — | 2017-09-12 |
| 9723412 | Speaker system | — | 2017-08-01 |
| 9635467 | Electroacoustic converter film | Yusuke Hatanaka, Akito Fukunaga | 2017-04-25 |
| 9621997 | Electroacoustic transduction film | Yusuke Hatanaka | 2017-04-11 |
| 9440259 | Electroacoustic conversion film, electroacoustic converter, flexible display, and projector screen | — | 2016-09-13 |