- 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: 463
10-year publication summary
|
31
|
34
|
32
|
38
|
43
|
42
|
32
|
20
|
22
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Earlens Corporation | 147 |
40 |
| Starkey Laboratories, Inc. | 1257 |
28 |
| Cochlear Limited | 1876 |
24 |
| MED-EL Elektromedizinische Geraete GmbH | 616 |
16 |
| GN Hearing A/S | 864 |
16 |
| Widex A/S | 764 |
16 |
| Oticon A/S | 865 |
15 |
| Sivantos Pte. Ltd. | 750 |
15 |
| ST Portfolio Holdings, LLC | 241 |
15 |
| Sonova AG | 1058 |
14 |
| Panasonic Corporation | 20136 |
11 |
| Bose Corporation | 2984 |
11 |
| Kyocera Corporation | 13784 |
7 |
| Eargo, Inc. | 67 |
6 |
| K/S Himpp | 68 |
6 |
| Phonak AG | 228 |
6 |
| Anova Hearing Labs, Inc. | 5 |
5 |
| GN ReSound AS | 141 |
5 |
| InSound Medical, Inc. | 23 |
5 |
| Sonomax Technologies Inc. | 11 |
5 |
| Other owners | 197 |