- 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: 1723
10-year publication summary
|
240
|
217
|
187
|
153
|
122
|
107
|
103
|
91
|
89
|
48
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 44674 |
65 |
| Time Warner Cable Enterprises LLC | 849 |
56 |
| Adeia Guides Inc. | 3969 |
54 |
| Comcast Cable Communications, LLC | 5202 |
40 |
| AT&T Intellectual Property I, L.P. | 10013 |
37 |
| Sonos, Inc. | 2881 |
37 |
| ZTE Corporation | 44288 |
34 |
| DISH Technologies L.L.C. | 1600 |
32 |
| LG Electronics Inc. | 75910 |
31 |
| Samsung Electronics Co., Ltd. | 158605 |
30 |
| The Nielsen Company (US), LLC | 2703 |
29 |
| Maxell, Ltd. | 3066 |
27 |
| Sony Corporation | 30097 |
25 |
| DivX, LLC | 301 |
25 |
| Apple Inc. | 59117 |
23 |
| Broadband Itv, Inc. | 32 |
23 |
| Adeia Media Holdings Inc. | 969 |
21 |
| Verizon Patent And Licensing Inc. | 7672 |
20 |
| Amazon Technologies, Inc. | 28216 |
19 |
| ARRIS Enterprises LLC | 3400 |
19 |
| Other owners | 1076 |