- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 25/00 - Deaf-aid sets
Patent holdings for IPC class H04R 25/00
Total number of patents in this class: 11260
10-year publication summary
786
|
827
|
738
|
735
|
781
|
870
|
826
|
709
|
623
|
425
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Cochlear Limited | 1891 |
967 |
Starkey Laboratories, Inc. | 1269 |
801 |
Oticon A/S | 874 |
606 |
Sonova AG | 1066 |
577 |
Sivantos Pte. Ltd. | 753 |
507 |
GN Hearing A/S | 880 |
474 |
Widex A/S | 763 |
462 |
Advanced Bionics AG | 641 |
215 |
Shenzhen Shokz Co., Ltd. | 1139 |
212 |
Bose Corporation | 3002 |
197 |
Phonak AG | 228 |
193 |
MED-EL Elektromedizinische Geraete GmbH | 621 |
164 |
Apple Inc. | 55387 |
154 |
Earlens Corporation | 147 |
122 |
Samsung Electronics Co., Ltd. | 147501 |
112 |
GN ReSound AS | 137 |
112 |
Panasonic Corporation | 20050 |
106 |
Sonion Nederland B.V. | 151 |
94 |
Sivantos GmbH | 183 |
85 |
Siemens Medical Instruments Pte. Ltd. | 91 |
79 |
Other owners | 5021 |