- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 5/00 - Stereophonic arrangements
Patent holdings for IPC class H04R 5/00
Total number of patents in this class: 1304
10-year publication summary
|
105
|
126
|
83
|
63
|
49
|
41
|
32
|
35
|
22
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4207 |
103 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5090 |
85 |
| Dolby International AB | 1028 |
64 |
| Samsung Electronics Co., Ltd. | 149362 |
62 |
| Qualcomm Incorporated | 87874 |
54 |
| LG Electronics Inc. | 73884 |
49 |
| Apple Inc. | 56547 |
31 |
| Yamaha Corporation | 4064 |
30 |
| Nokia Technologies Oy | 19263 |
27 |
| Sony Corporation | 30760 |
26 |
| DTS, Inc. | 380 |
25 |
| Creative Technology Ltd | 506 |
23 |
| Huawei Technologies Co., Ltd. | 116134 |
21 |
| Koninklijke Philips N.V. | 25186 |
18 |
| Koninklijke Philips Electronics N.V. | 8689 |
16 |
| Bose Corporation | 3034 |
16 |
| Microsoft Technology Licensing, LLC | 54366 |
15 |
| Harman International Industries, Incorporated | 2717 |
15 |
| Texas Instruments Incorporated | 19493 |
13 |
| Orange S.A. | 1584 |
13 |
| Other owners | 598 |