- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 25/00 - Deaf-aid sets
Patent holdings for IPC class H04R 25/00
Total number of patents in this class: 10694
10-year publication summary
|
880
|
790
|
837
|
746
|
748
|
788
|
872
|
808
|
664
|
197
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cochlear Limited | 1619 |
836 |
| Starkey Laboratories, Inc. | 1160 |
742 |
| Oticon A/S | 842 |
552 |
| Sonova AG | 1023 |
549 |
| Widex A/S | 740 |
454 |
| Sivantos Pte. Ltd. | 723 |
447 |
| GN Hearing A/S | 628 |
405 |
| Advanced Bionics AG | 675 |
229 |
| Phonak AG | 231 |
196 |
| Bose Corporation | 2880 |
192 |
| Shenzhen Shokz Co., Ltd. | 629 |
166 |
| MED-EL Elektromedizinische Geraete GmbH | 614 |
164 |
| Apple Inc. | 50209 |
143 |
| Earlens Corporation | 149 |
124 |
| GN ReSound AS | 153 |
124 |
| Panasonic Corporation | 20786 |
109 |
| Samsung Electronics Co., Ltd. | 131630 |
106 |
| Sivantos GmbH | 208 |
98 |
| Oticon Medical A/S | 142 |
89 |
| Sonion Nederland B.V. | 138 |
88 |
| Other owners | 4881 |