- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; deaf-aid sets; public address systems
- H04R 5/00 - Stereophonic arrangements
Patent holdings for IPC class H04R 5/00
Total number of patents in this class: 1357
10-year publication summary
|
115
|
106
|
126
|
87
|
63
|
49
|
41
|
31
|
17
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 3883 |
99 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
87 |
| Dolby International AB | 1076 |
76 |
| Samsung Electronics Co., Ltd. | 131630 |
62 |
| Qualcomm Incorporated | 76576 |
55 |
| LG Electronics Inc. | 69257 |
49 |
| Yamaha Corporation | 4054 |
34 |
| Apple Inc. | 50209 |
30 |
| Sony Corporation | 32931 |
29 |
| DTS, Inc. | 381 |
28 |
| Nokia Technologies Oy | 15057 |
26 |
| Creative Technology Ltd | 610 |
25 |
| Koninklijke Philips Electronics N.V. | 13133 |
20 |
| Harman International Industries, Incorporated | 2443 |
20 |
| Huawei Technologies Co., Ltd. | 100781 |
19 |
| Koninklijke Philips N.V. | 22975 |
18 |
| Bose Corporation | 2880 |
18 |
| Texas Instruments Incorporated | 19376 |
15 |
| Microsoft Technology Licensing, LLC | 51439 |
15 |
| Orange S.A. | 1379 |
13 |
| Other owners | 619 |