- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/45 - Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies
Patent holdings for IPC class H04N 21/45
Total number of patents in this class: 4885
10-year publication summary
561
|
644
|
641
|
594
|
542
|
500
|
505
|
443
|
445
|
92
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rovi Guides, Inc. | 3236 |
637 |
Samsung Electronics Co., Ltd. | 131630 |
221 |
Google LLC | 38759 |
198 |
DISH Technologies L.L.C. | 1666 |
166 |
AT&T Intellectual Property I, L.P. | 9886 |
158 |
The Nielsen Company (US), LLC | 2549 |
124 |
LG Electronics Inc. | 69257 |
121 |
Comcast Cable Communications, LLC | 4075 |
113 |
Verizon Patent And Licensing Inc. | 6900 |
73 |
Roku, Inc. | 1151 |
73 |
Enseo, LLC | 279 |
65 |
Apple Inc. | 50209 |
61 |
International Business Machines Corporation | 60644 |
59 |
DISH Network L.L.C. | 746 |
56 |
Sony Corporation | 32931 |
53 |
DIRECTV, LLC | 812 |
49 |
Rovi Product Corporation | 236 |
49 |
OpenTV, Inc. | 346 |
48 |
Amazon Technologies, Inc. | 24422 |
45 |
Microsoft Technology Licensing, LLC | 51439 |
45 |
Other owners | 2471 |