- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 5/033 - Headphones for stereophonic communication
Patent holdings for IPC class H04R 5/033
Total number of patents in this class: 2286
10-year publication summary
|
122
|
174
|
249
|
262
|
316
|
320
|
289
|
261
|
199
|
57
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 50209 |
172 |
| Bose Corporation | 2880 |
166 |
| Voyetra Turtle Beach, Inc. | 461 |
87 |
| Shenzhen Shokz Co., Ltd. | 629 |
67 |
| Sony Corporation | 32931 |
57 |
| META Platforms Technologies, LLC | 4806 |
51 |
| Samsung Electronics Co., Ltd. | 131630 |
49 |
| Harman International Industries, Incorporated | 2443 |
42 |
| BRAGI GmbH | 275 |
39 |
| Magic Leap, Inc. | 3028 |
38 |
| Qualcomm Incorporated | 76576 |
37 |
| Google LLC | 38759 |
35 |
| Hewlett-Packard Development Company, L.P. | 28538 |
33 |
| Koss Corporation | 134 |
32 |
| JVC Kenwood Corporation | 2774 |
28 |
| LG Electronics Inc. | 69257 |
27 |
| Huawei Technologies Co., Ltd. | 100781 |
27 |
| Microsoft Technology Licensing, LLC | 51439 |
25 |
| Dolby Laboratories Licensing Corporation | 3883 |
25 |
| Sennheiser electronic GmbH & Co. KG | 472 |
25 |
| Other owners | 1224 |