- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/6334 - Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
Patent holdings for IPC class H04N 21/6334
Total number of patents in this class: 598
10-year publication summary
|
58
|
82
|
74
|
65
|
59
|
44
|
25
|
35
|
30
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nagravision S.A. | 626 |
37 |
| DISH Technologies L.L.C. | 1666 |
29 |
| AT&T Intellectual Property I, L.P. | 9886 |
19 |
| Time Warner Cable Enterprises LLC | 945 |
18 |
| DivX, LLC | 274 |
16 |
| Sony Corporation | 32931 |
14 |
| META Platforms, Inc. | 7514 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
13 |
| RESI Media LLC | 18 |
13 |
| DIRECTV, LLC | 812 |
11 |
| Ericsson AB | 491 |
10 |
| Verizon Patent And Licensing Inc. | 6900 |
10 |
| Comcast Cable Communications, LLC | 4075 |
10 |
| Google LLC | 38759 |
10 |
| Irdeto B.V. | 296 |
10 |
| Rovi Guides, Inc. | 3236 |
10 |
| ARRIS Enterprises LLC | 3432 |
9 |
| Sonos, Inc. | 2274 |
9 |
| LG Electronics Inc. | 69257 |
8 |
| Sling Media L.L.C. | 199 |
8 |
| Other owners | 320 |