- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/454 - Content filtering, e.g. blocking advertisements
Patent holdings for IPC class H04N 21/454
Total number of patents in this class: 1032
10-year publication summary
|
100
|
112
|
94
|
105
|
90
|
88
|
90
|
69
|
58
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3548 |
120 |
| DISH Technologies L.L.C. | 1607 |
47 |
| Comcast Cable Communications, LLC | 4894 |
34 |
| AT&T Intellectual Property I, L.P. | 9697 |
31 |
| International Business Machines Corporation | 61840 |
28 |
| Autoconnect Holdings LLC | 95 |
27 |
| Google LLC | 43237 |
23 |
| Samsung Electronics Co., Ltd. | 149838 |
19 |
| Aura Home, Inc. | 91 |
19 |
| Saturn Licensing LLC | 1442 |
18 |
| DIRECTV, LLC | 741 |
17 |
| LG Electronics Inc. | 73967 |
15 |
| Verizon Patent And Licensing Inc. | 7380 |
15 |
| Microsoft Technology Licensing, LLC | 54394 |
15 |
| Rovi Guides, Inc. | 899 |
15 |
| DISH Network L.L.C. | 908 |
14 |
| Entropic Communications, LLC | 282 |
14 |
| Sony Corporation | 30735 |
12 |
| Time Warner Cable Enterprises LLC | 879 |
12 |
| Disney Enterprises, Inc. | 6180 |
11 |
| Other owners | 526 |