- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/8405 - Generation or processing of descriptive data, e.g. content descriptors represented by keywords
Patent holdings for IPC class H04N 21/8405
Total number of patents in this class: 317
10-year publication summary
|
29
|
36
|
46
|
41
|
33
|
26
|
27
|
24
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3215 |
48 |
| Google LLC | 41934 |
27 |
| Rovi Guides, Inc. | 939 |
16 |
| AT&T Intellectual Property I, L.P. | 9486 |
14 |
| Samsung Electronics Co., Ltd. | 144675 |
11 |
| Roku, Inc. | 1380 |
10 |
| DISH Technologies L.L.C. | 1606 |
10 |
| Microsoft Technology Licensing, LLC | 53577 |
9 |
| DISH Network L.L.C. | 867 |
6 |
| ViaSat, Inc. | 1594 |
6 |
| LG Electronics Inc. | 72675 |
5 |
| Intel Corporation | 46833 |
5 |
| Saturn Licensing LLC | 1446 |
5 |
| Rovi Product Corporation | 230 |
5 |
| International Business Machines Corporation | 61144 |
4 |
| Verizon Patent And Licensing Inc. | 7070 |
4 |
| ARRIS Enterprises LLC | 3432 |
4 |
| LiveU Ltd. | 48 |
4 |
| Disney Enterprises, Inc. | 6088 |
3 |
| Sony Corporation | 31124 |
3 |
| Other owners | 118 |