- 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 or resolving scheduling conflicts
Patent holdings for IPC class H04N 21/45
Total number of patents in this class: 5292
10-year publication summary
|
633
|
629
|
583
|
534
|
495
|
500
|
441
|
467
|
331
|
264
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3425 |
671 |
| Samsung Electronics Co., Ltd. | 148077 |
248 |
| Google LLC | 42752 |
219 |
| DISH Technologies L.L.C. | 1608 |
166 |
| AT&T Intellectual Property I, L.P. | 9613 |
142 |
| The Nielsen Company (US), LLC | 2664 |
141 |
| Comcast Cable Communications, LLC | 4806 |
128 |
| LG Electronics Inc. | 73714 |
126 |
| Rovi Guides, Inc. | 906 |
101 |
| Roku, Inc. | 1444 |
96 |
| Apple Inc. | 55735 |
73 |
| DISH Network L.L.C. | 898 |
72 |
| Verizon Patent And Licensing Inc. | 7165 |
71 |
| Enseo, LLC | 264 |
71 |
| International Business Machines Corporation | 61616 |
58 |
| OpenTV, Inc. | 338 |
54 |
| Sony Corporation | 30901 |
50 |
| Amazon Technologies, Inc. | 27060 |
49 |
| DIRECTV, LLC | 779 |
48 |
| Microsoft Technology Licensing, LLC | 54029 |
47 |
| Other owners | 2661 |