- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 25/02 - Deaf-aid sets adapted to be supported entirely by ear
Patent holdings for IPC class H04R 25/02
Total number of patents in this class: 438
10-year publication summary
|
34
|
32
|
38
|
43
|
42
|
34
|
21
|
23
|
16
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Earlens Corporation | 142 |
39 |
| Starkey Laboratories, Inc. | 1393 |
33 |
| Cochlear Limited | 2026 |
22 |
| GN Hearing A/S | 1372 |
17 |
| MED-EL Elektromedizinische Geraete GmbH | 617 |
16 |
| Oticon A/S | 897 |
16 |
| Sivantos Pte. Ltd. | 762 |
16 |
| ST Portfolio Holdings, LLC | 259 |
15 |
| Sonova AG | 1131 |
13 |
| Panasonic Corporation | 18658 |
11 |
| Bose Corporation | 3107 |
11 |
| Widex A/S | 712 |
10 |
| Kyocera Corporation | 14479 |
7 |
| Eargo, Inc. | 69 |
6 |
| Anova Hearing Labs, Inc. | 5 |
5 |
| K/S Himpp | 61 |
5 |
| Sonomax Technologies Inc. | 11 |
5 |
| Apple Inc. | 59354 |
4 |
| Eers Global Technologies Inc. | 24 |
4 |
| Phonak AG | 198 |
4 |
| Other owners | 179 |