- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/258 - Client or end-user data management, e.g. managing client capabilities, user preferences or demographics or processing of multiple end-users preferences to derive collaborative data
Patent holdings for IPC class H04N 21/258
Total number of patents in this class: 6668
10-year publication summary
785
|
871
|
859
|
753
|
752
|
644
|
572
|
521
|
473
|
127
|
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 |
362 |
Rovi Guides, Inc. | 3236 |
308 |
Google LLC | 38759 |
264 |
AT&T Intellectual Property I, L.P. | 9886 |
235 |
Comcast Cable Communications, LLC | 4075 |
153 |
Samsung Electronics Co., Ltd. | 131630 |
141 |
Roku, Inc. | 1151 |
141 |
Verizon Patent And Licensing Inc. | 6900 |
128 |
Time Warner Cable Enterprises LLC | 945 |
128 |
DISH Technologies L.L.C. | 1666 |
121 |
Apple Inc. | 50209 |
113 |
Sony Corporation | 32931 |
91 |
Amazon Technologies, Inc. | 24422 |
80 |
META Platforms, Inc. | 7514 |
67 |
Turner Broadcasting System, Inc. | 276 |
63 |
ARRIS Enterprises LLC | 3432 |
62 |
Microsoft Technology Licensing, LLC | 51439 |
60 |
Sonos, Inc. | 2274 |
60 |
Broadband Itv, Inc. | 71 |
59 |
International Business Machines Corporation | 60644 |
57 |
Other owners | 3975 |