- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 15/00 - Magnetostrictive transducers
Patent holdings for IPC class H04R 15/00
Total number of patents in this class: 121
10-year publication summary
|
6
|
6
|
5
|
6
|
10
|
8
|
4
|
2
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wing Acoustics Limited | 25 |
10 |
| Sony Corporation | 30979 |
6 |
| Siemens Medical Instruments Pte. Ltd. | 91 |
5 |
| Samsung Electronics Co., Ltd. | 147131 |
4 |
| Toshiba Corporation | 12383 |
4 |
| Feonic plc | 9 |
4 |
| Murata Manufacturing Co., Ltd. | 24650 |
3 |
| AAC Acoustic Technologies (Shenzhen) Co., Ltd. | 1951 |
3 |
| Cochlear Limited | 1892 |
3 |
| ESARC Hi-Tech S.r.l. | 4 |
3 |
| Frey Co., Ltd. | 4 |
3 |
| AAC Technologies Pte. Ltd. | 1464 |
3 |
| Panasonic Automotive Systems Co., Ltd. | 1911 |
3 |
| Microsoft Technology Licensing, LLC | 53829 |
2 |
| GN ReSound AS | 138 |
2 |
| Trigence Semiconductor, Inc. | 28 |
2 |
| Turtle Beach Corporation | 69 |
2 |
| Woojer LTD. | 32 |
2 |
| Sivantos Pte. Ltd. | 751 |
2 |
| Ear Tech, LLC | 10 |
2 |
| Other owners | 53 |