- 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: 2695
10-year publication summary
|
246
|
261
|
315
|
319
|
297
|
276
|
228
|
201
|
189
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 58049 |
215 |
| Bose Corporation | 3077 |
185 |
| Voyetra Turtle Beach, Inc. | 521 |
117 |
| Shenzhen Shokz Co., Ltd. | 1286 |
102 |
| Samsung Electronics Co., Ltd. | 153573 |
64 |
| META Platforms Technologies, LLC | 6305 |
64 |
| Sony Corporation | 30440 |
53 |
| Harman International Industries, Incorporated | 2797 |
51 |
| Magic Leap, Inc. | 3364 |
49 |
| Qualcomm Incorporated | 90109 |
48 |
| BRAGI GmbH | 291 |
46 |
| Google LLC | 43739 |
44 |
| Koss Corporation | 132 |
37 |
| Hewlett-Packard Development Company, L.P. | 25370 |
33 |
| Huawei Technologies Co., Ltd. | 119891 |
32 |
| Dolby Laboratories Licensing Corporation | 4262 |
32 |
| JVC Kenwood Corporation | 3108 |
30 |
| Starkey Laboratories, Inc. | 1338 |
30 |
| Microsoft Technology Licensing, LLC | 54215 |
28 |
| Sonos, Inc. | 2787 |
28 |
| Other owners | 1407 |