- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/2543 - Billing
Patent holdings for IPC class H04N 21/2543
Total number of patents in this class: 767
10-year publication summary
|
100
|
143
|
112
|
85
|
94
|
91
|
69
|
43
|
48
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rovi Guides, Inc. | 3236 |
44 |
| AT&T Intellectual Property I, L.P. | 9886 |
36 |
| Roku, Inc. | 1151 |
33 |
| Turner Broadcasting System, Inc. | 276 |
28 |
| Google LLC | 38759 |
28 |
| Comcast Cable Communications, LLC | 4075 |
26 |
| Open Text SA ULC | 665 |
21 |
| Multimedia Technologies Pte, Ltd | 60 |
20 |
| Verizon Patent And Licensing Inc. | 6900 |
19 |
| TiVo Solutions Inc. | 287 |
19 |
| DIRECTV, LLC | 812 |
15 |
| Time Warner Cable Enterprises LLC | 945 |
14 |
| TouchTunes Music Company, LLC | 189 |
14 |
| DISH Technologies L.L.C. | 1666 |
12 |
| Sony Corporation | 32931 |
11 |
| Amazon Technologies, Inc. | 24422 |
11 |
| The Nielsen Company (US), LLC | 2549 |
11 |
| Nagravision S.A. | 626 |
10 |
| TiVo Corporation | 462 |
10 |
| OpenTV, Inc. | 346 |
8 |
| Other owners | 377 |