- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4335 - Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions
Patent holdings for IPC class H04N 21/4335
Total number of patents in this class: 409
10-year publication summary
|
53
|
51
|
48
|
35
|
27
|
28
|
17
|
8
|
12
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3997 |
44 |
| Comcast Cable Communications, LLC | 5234 |
30 |
| DISH Technologies L.L.C. | 1600 |
26 |
| Google LLC | 44796 |
20 |
| AT&T Intellectual Property I, L.P. | 10038 |
14 |
| Rovi Guides, Inc. | 808 |
14 |
| Mimik Technology Canada Inc. | 21 |
13 |
| Adeia Media Solutions Inc. | 270 |
9 |
| ARRIS Enterprises LLC | 3393 |
8 |
| Verizon Patent And Licensing Inc. | 7677 |
7 |
| Navico, Inc. | 310 |
7 |
| LG Electronics Inc. | 76087 |
6 |
| DIRECTV, LLC | 779 |
5 |
| OpenTV, Inc. | 327 |
5 |
| Thinkanalytics Ltd. | 72 |
5 |
| Synamedia Limited | 328 |
5 |
| DISH Network Technologies India Private Limited | 448 |
5 |
| Huawei Technologies Co., Ltd. | 124837 |
4 |
| Google Technology Holdings LLC | 2049 |
4 |
| Microsoft Technology Licensing, LLC | 54586 |
4 |
| Other owners | 174 |