- 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: 408
10-year publication summary
|
75
|
52
|
49
|
47
|
33
|
27
|
25
|
17
|
8
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3354 |
46 |
| Comcast Cable Communications, LLC | 4740 |
28 |
| DISH Technologies L.L.C. | 1608 |
26 |
| Google LLC | 42540 |
20 |
| AT&T Intellectual Property I, L.P. | 9576 |
14 |
| Rovi Guides, Inc. | 923 |
14 |
| Mimik Technology Canada Inc. | 21 |
13 |
| Adeia Media Solutions Inc. | 274 |
13 |
| ARRIS Enterprises LLC | 3475 |
8 |
| LG Electronics Inc. | 73531 |
7 |
| Verizon Patent And Licensing Inc. | 7133 |
7 |
| Navico, Inc. | 304 |
7 |
| DIRECTV, LLC | 781 |
5 |
| OpenTV, Inc. | 340 |
5 |
| Thinkanalytics Ltd. | 62 |
5 |
| Synamedia Limited | 340 |
5 |
| Huawei Technologies Co., Ltd. | 113689 |
4 |
| Google Technology Holdings LLC | 2301 |
4 |
| Microsoft Technology Licensing, LLC | 53891 |
4 |
| Chanyu Holdings, LLC | 19 |
4 |
| Other owners | 169 |