- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 5/033 - Headphones for stereophonic communication
Patent holdings for IPC class H04R 5/033
Total number of patents in this class: 2614
10-year publication summary
|
174
|
246
|
261
|
314
|
319
|
296
|
276
|
225
|
191
|
160
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 55640 |
210 |
| Bose Corporation | 3001 |
179 |
| Voyetra Turtle Beach, Inc. | 515 |
116 |
| Shenzhen Shokz Co., Ltd. | 1145 |
100 |
| META Platforms Technologies, LLC | 5948 |
62 |
| Samsung Electronics Co., Ltd. | 147983 |
60 |
| Sony Corporation | 30910 |
53 |
| Magic Leap, Inc. | 3301 |
48 |
| Qualcomm Incorporated | 86867 |
46 |
| Harman International Industries, Incorporated | 2678 |
46 |
| BRAGI GmbH | 288 |
45 |
| Google LLC | 42673 |
44 |
| Koss Corporation | 131 |
36 |
| Hewlett-Packard Development Company, L.P. | 25769 |
33 |
| Huawei Technologies Co., Ltd. | 114320 |
31 |
| Dolby Laboratories Licensing Corporation | 4156 |
31 |
| JVC Kenwood Corporation | 3053 |
30 |
| Starkey Laboratories, Inc. | 1277 |
28 |
| Microsoft Technology Licensing, LLC | 54000 |
27 |
| LG Electronics Inc. | 73690 |
26 |
| Other owners | 1363 |