- 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: 7020
10-year publication summary
|
858
|
837
|
736
|
736
|
632
|
563
|
511
|
485
|
412
|
268
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Nielsen Company (US), LLC | 2657 |
398 |
| Adeia Guides Inc. | 3354 |
297 |
| Google LLC | 42540 |
290 |
| AT&T Intellectual Property I, L.P. | 9576 |
213 |
| Comcast Cable Communications, LLC | 4740 |
184 |
| Roku, Inc. | 1425 |
161 |
| Samsung Electronics Co., Ltd. | 147501 |
148 |
| Verizon Patent And Licensing Inc. | 7133 |
124 |
| Time Warner Cable Enterprises LLC | 891 |
124 |
| Apple Inc. | 55387 |
118 |
| DISH Technologies L.L.C. | 1608 |
113 |
| Rovi Guides, Inc. | 923 |
89 |
| Sony Corporation | 30936 |
87 |
| Amazon Technologies, Inc. | 26891 |
85 |
| Adeia Media Holdings LLC | 606 |
73 |
| Sonos, Inc. | 2641 |
70 |
| Turner Broadcasting System, Inc. | 285 |
68 |
| ARRIS Enterprises LLC | 3475 |
66 |
| META Platforms, Inc. | 7086 |
66 |
| Microsoft Technology Licensing, LLC | 53891 |
61 |
| Other owners | 4185 |