- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 5/02 - Spatial or constructional arrangements of loudspeakers
Patent holdings for IPC class H04R 5/02
Total number of patents in this class: 2791
10-year publication summary
|
166
|
214
|
257
|
321
|
287
|
334
|
263
|
264
|
228
|
52
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bose Corporation | 2880 |
145 |
| Samsung Electronics Co., Ltd. | 131630 |
127 |
| Dolby Laboratories Licensing Corporation | 3883 |
126 |
| Sony Corporation | 32931 |
103 |
| Apple Inc. | 50209 |
92 |
| Harman International Industries, Incorporated | 2443 |
83 |
| Yamaha Corporation | 4054 |
70 |
| Sonos, Inc. | 2274 |
68 |
| Nokia Technologies Oy | 15057 |
52 |
| Shenzhen Shokz Co., Ltd. | 629 |
44 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
43 |
| Qualcomm Incorporated | 76576 |
37 |
| LG Display Co., Ltd. | 11907 |
37 |
| DTS, Inc. | 381 |
37 |
| Harman Becker Automotive Systems GmbH | 645 |
35 |
| Huawei Technologies Co., Ltd. | 100781 |
33 |
| LG Electronics Inc. | 69257 |
29 |
| Dolby International AB | 1076 |
26 |
| Microsoft Technology Licensing, LLC | 51439 |
23 |
| Cirrus Logic, Inc. | 1719 |
22 |
| Other owners | 1559 |