- 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: 830
10-year publication summary
|
87
|
92
|
88
|
84
|
79
|
54
|
46
|
50
|
41
|
11
|
| 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 |
96 |
| Dolby International AB | 1076 |
54 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
48 |
| Samsung Electronics Co., Ltd. | 131630 |
43 |
| Qualcomm Incorporated | 76576 |
33 |
| Sony Corporation | 32931 |
26 |
| Huawei Technologies Co., Ltd. | 100781 |
19 |
| Bose Corporation | 2880 |
17 |
| Harman International Industries, Incorporated | 2443 |
16 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
16 |
| Nokia Technologies Oy | 15057 |
15 |
| Koninklijke Philips N.V. | 22975 |
13 |
| Voyetra Turtle Beach, Inc. | 461 |
12 |
| Koninklijke Philips Electronics N.V. | 13133 |
11 |
| Wilus Institute of Standards and Technology Inc. | 602 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| Sonos, Inc. | 2274 |
10 |
| Dolby International AB | 422 |
10 |
| Yamaha Corporation | 4054 |
9 |
| Microsoft Technology Licensing, LLC | 51439 |
9 |
| Other owners | 352 |