- 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: 460
10-year publication summary
|
33
|
31
|
35
|
42
|
41
|
33
|
21
|
21
|
15
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Earlens Corporation | 146 |
39 |
| Starkey Laboratories, Inc. | 1319 |
30 |
| Cochlear Limited | 1938 |
22 |
| GN Hearing A/S | 916 |
17 |
| MED-EL Elektromedizinische Geraete GmbH | 624 |
16 |
| Sivantos Pte. Ltd. | 760 |
16 |
| Oticon A/S | 877 |
15 |
| Sonova AG | 1075 |
13 |
| Widex A/S | 746 |
13 |
| ST Portfolio Holdings, LLC | 231 |
13 |
| Panasonic Corporation | 19874 |
11 |
| Bose Corporation | 3065 |
11 |
| Kyocera Corporation | 14186 |
7 |
| Eargo, Inc. | 69 |
6 |
| Phonak AG | 223 |
6 |
| Anova Hearing Labs, Inc. | 5 |
5 |
| GN ReSound AS | 136 |
5 |
| InSound Medical, Inc. | 20 |
5 |
| K/S Himpp | 63 |
5 |
| Sonomax Technologies Inc. | 11 |
5 |
| Other owners | 200 |