- 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: 306
10-year publication summary
41
|
29
|
36
|
46
|
41
|
33
|
25
|
27
|
21
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rovi Guides, Inc. | 3236 |
60 |
Google LLC | 38759 |
25 |
AT&T Intellectual Property I, L.P. | 9886 |
14 |
Samsung Electronics Co., Ltd. | 131630 |
11 |
Microsoft Technology Licensing, LLC | 51439 |
10 |
DISH Technologies L.L.C. | 1666 |
10 |
Roku, Inc. | 1151 |
8 |
DISH Network L.L.C. | 746 |
6 |
LG Electronics Inc. | 69257 |
5 |
Intel Corporation | 45621 |
5 |
ViaSat, Inc. | 1508 |
5 |
Rovi Product Corporation | 236 |
5 |
International Business Machines Corporation | 60644 |
4 |
Verizon Patent And Licensing Inc. | 6900 |
4 |
LiveU Ltd. | 42 |
4 |
Saturn Licensing LLC | 1502 |
4 |
Disney Enterprises, Inc. | 6012 |
3 |
Sony Corporation | 32931 |
3 |
JVC Kenwood Corporation | 2774 |
3 |
ARRIS Enterprises LLC | 3432 |
3 |
Other owners | 114 |