- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/254 - Management at additional data server, e.g. shopping server or rights management server
Patent holdings for IPC class H04N 21/254
Total number of patents in this class: 1718
10-year publication summary
|
240
|
217
|
187
|
153
|
122
|
106
|
103
|
91
|
89
|
33
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 44062 |
72 |
| Time Warner Cable Enterprises LLC | 858 |
56 |
| Adeia Guides Inc. | 3823 |
52 |
| Comcast Cable Communications, LLC | 5091 |
40 |
| AT&T Intellectual Property I, L.P. | 9905 |
37 |
| Sonos, Inc. | 2812 |
36 |
| ZTE Corporation | 43749 |
34 |
| LG Electronics Inc. | 75274 |
32 |
| DISH Technologies L.L.C. | 1603 |
32 |
| Samsung Electronics Co., Ltd. | 155224 |
30 |
| The Nielsen Company (US), LLC | 2676 |
29 |
| Sony Corporation | 30327 |
27 |
| Maxell, Ltd. | 2962 |
27 |
| DivX, LLC | 300 |
25 |
| Apple Inc. | 58268 |
23 |
| Broadband Itv, Inc. | 33 |
23 |
| Verizon Patent And Licensing Inc. | 7523 |
20 |
| Amazon Technologies, Inc. | 27873 |
19 |
| ARRIS Enterprises LLC | 3421 |
19 |
| Roku, Inc. | 1581 |
19 |
| Other owners | 1066 |