- All sections
- H - Electricity
- H04H - Broadcast communication
- H04H 60/51 - Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying locations of receiving stations
Patent holdings for IPC class H04H 60/51
Total number of patents in this class: 174
10-year publication summary
|
22
|
27
|
11
|
19
|
13
|
10
|
12
|
11
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Nielsen Company (US), LLC | 2549 |
22 |
| Qualcomm Incorporated | 76576 |
11 |
| Sony Corporation | 32931 |
7 |
| AT&T Intellectual Property I, L.P. | 9886 |
5 |
| Charter Communications Operating, LLC | 1054 |
5 |
| DIRECTV, LLC | 812 |
5 |
| Audi AG | 7153 |
4 |
| iBiquity Digital Corporation | 267 |
4 |
| Apple Inc. | 50209 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| DISH Network L.L.C. | 746 |
3 |
| Imagination Technologies Limited | 1458 |
3 |
| Saronikos Trading and Services, Unipessoal Lda | 69 |
3 |
| Sun Patent Trust | 1972 |
3 |
| DISH Technologies L.L.C. | 1666 |
3 |
| Disney Enterprises, Inc. | 6012 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| Sharp Corporation | 10015 |
2 |
| Microsoft Technology Licensing, LLC | 51439 |
2 |
| Drive Time Metrics, Inc. | 8 |
2 |
| Other owners | 80 |