- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 20/57 - Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for mobile receivers
Patent holdings for IPC class H04H 20/57
Total number of patents in this class: 213
10-year publication summary
|
22
|
35
|
15
|
14
|
7
|
3
|
6
|
0
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75045 |
45 |
| Google Technology Holdings LLC | 2131 |
12 |
| Nokia Corporation | 5007 |
9 |
| NEC Corporation | 36656 |
7 |
| Samsung Electronics Co., Ltd. | 154120 |
5 |
| Charter Communications Operating, LLC | 1519 |
5 |
| iBiquity Digital Corporation | 262 |
5 |
| The Nielsen Company (US), LLC | 2670 |
5 |
| Qualcomm Incorporated | 90374 |
4 |
| Sony Corporation | 30388 |
4 |
| AT&T Intellectual Property I, L.P. | 9859 |
4 |
| Makita Corporation | 2519 |
4 |
| Sharp Kabushiki Kaisha | 18608 |
4 |
| Sirius XM Radio LLC | 245 |
4 |
| Panasonic Corporation | 19577 |
3 |
| Sharp Corporation | 10468 |
3 |
| Futurewei Technologies, Inc. | 3775 |
3 |
| Apple Inc. | 58122 |
2 |
| Huawei Technologies Co., Ltd. | 120453 |
2 |
| Verizon Patent And Licensing Inc. | 7495 |
2 |
| Other owners | 81 |