- 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: 251
10-year publication summary
|
25
|
28
|
22
|
35
|
15
|
14
|
7
|
3
|
5
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
49 |
| Nokia Corporation | 6965 |
16 |
| Google Technology Holdings LLC | 2658 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| NEC Corporation | 32703 |
7 |
| Nokia Inc. | 2036 |
6 |
| Qualcomm Incorporated | 76576 |
5 |
| Charter Communications Operating, LLC | 1054 |
5 |
| iBiquity Digital Corporation | 267 |
5 |
| Sharp Kabushiki Kaisha | 18957 |
5 |
| Sony Corporation | 32931 |
4 |
| AT&T Intellectual Property I, L.P. | 9886 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| Makita Corporation | 2339 |
4 |
| The Nielsen Company (US), LLC | 2549 |
4 |
| Sirius XM Radio Inc. | 366 |
4 |
| Panasonic Corporation | 20786 |
3 |
| Sharp Corporation | 10015 |
3 |
| NTT DoCoMo, Inc. | 11501 |
3 |
| Microsoft Technology Licensing, LLC | 51439 |
3 |
| Other owners | 94 |