- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/22 - Arrangements for broadcast of identical information via plural broadcast systems
Patent holdings for IPC class H04H 20/22
Total number of patents in this class: 116
10-year publication summary
|
13
|
17
|
16
|
11
|
3
|
6
|
2
|
4
|
12
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| iBiquity Digital Corporation | 267 |
12 |
| Sony Group Corporation | 10730 |
9 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| LG Electronics Inc. | 69257 |
5 |
| NPX B.V. | 2204 |
5 |
| Sony Corporation | 32931 |
4 |
| Continental Automotive GmbH | 5573 |
4 |
| iHeartMedia Management Services, Inc. | 362 |
4 |
| DBSD Corporation | 27 |
4 |
| Qualcomm Incorporated | 76576 |
3 |
| AT&T Intellectual Property I, L.P. | 9886 |
3 |
| Panasonic Corporation | 20786 |
3 |
| StratosAudio, Inc. | 26 |
3 |
| Apple Inc. | 50209 |
2 |
| Sony Ericsson Mobile Communications AB | 2014 |
2 |
| Nokia Corporation | 6965 |
2 |
| Texas Instruments Incorporated | 19376 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Audi AG | 7153 |
2 |
| DBSD Services Limited | 22 |
2 |
| Other owners | 38 |