- All sections
- H - Electricity
- H04S - Stereophonic systems
- H04S 5/00 - Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
Patent holdings for IPC class H04S 5/00
Total number of patents in this class: 872
10-year publication summary
|
88
|
84
|
79
|
54
|
46
|
51
|
48
|
47
|
37
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4379 |
107 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5294 |
52 |
| Dolby International AB | 1012 |
49 |
| Samsung Electronics Co., Ltd. | 159029 |
42 |
| Qualcomm Incorporated | 93376 |
33 |
| Sony Corporation | 30052 |
24 |
| Dolby International AB | 922 |
24 |
| Huawei Technologies Co., Ltd. | 124837 |
22 |
| Harman International Industries, Incorporated | 2901 |
20 |
| Nokia Technologies Oy | 21721 |
17 |
| Bose Corporation | 3106 |
17 |
| Voyetra Turtle Beach, Inc. | 527 |
15 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6102 |
13 |
| Koninklijke Philips N.V. | 26042 |
12 |
| Sonos, Inc. | 2888 |
12 |
| Wilus Institute of Standards and Technology Inc. | 892 |
11 |
| Apple Inc. | 59241 |
9 |
| LG Electronics Inc. | 76087 |
9 |
| Yamaha Corporation | 4087 |
9 |
| Microsoft Technology Licensing, LLC | 54586 |
9 |
| Other owners | 366 |