- 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: 949
10-year publication summary
|
141
|
133
|
104
|
115
|
95
|
106
|
89
|
88
|
84
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rovi Guides, Inc. | 3236 |
109 |
| DISH Technologies L.L.C. | 1666 |
46 |
| AT&T Intellectual Property I, L.P. | 9886 |
40 |
| International Business Machines Corporation | 60644 |
27 |
| Autoconnect Holdings LLC | 91 |
26 |
| Comcast Cable Communications, LLC | 4075 |
23 |
| Google LLC | 38759 |
21 |
| Saturn Licensing LLC | 1502 |
19 |
| DIRECTV, LLC | 812 |
18 |
| LG Electronics Inc. | 69257 |
16 |
| TiVo Solutions Inc. | 287 |
16 |
| Samsung Electronics Co., Ltd. | 131630 |
15 |
| Aura Home, Inc. | 76 |
15 |
| Verizon Patent And Licensing Inc. | 6900 |
14 |
| Microsoft Technology Licensing, LLC | 51439 |
14 |
| Entropic Communications, LLC | 289 |
13 |
| Sony Corporation | 32931 |
12 |
| Time Warner Cable Enterprises LLC | 945 |
12 |
| Disney Enterprises, Inc. | 6012 |
10 |
| DISH Network L.L.C. | 746 |
10 |
| Other owners | 473 |