- 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: 406
10-year publication summary
|
63
|
77
|
53
|
51
|
48
|
35
|
27
|
27
|
16
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rovi Guides, Inc. | 3236 |
54 |
| DISH Technologies L.L.C. | 1666 |
26 |
| Comcast Cable Communications, LLC | 4075 |
23 |
| Google LLC | 38759 |
20 |
| AT&T Intellectual Property I, L.P. | 9886 |
15 |
| TiVo Solutions Inc. | 287 |
13 |
| Mimik Technology Canada Inc. | 21 |
13 |
| LG Electronics Inc. | 69257 |
9 |
| Verizon Patent And Licensing Inc. | 6900 |
7 |
| ARRIS Enterprises LLC | 3432 |
7 |
| Navico, Inc. | 326 |
7 |
| DIRECTV, LLC | 812 |
5 |
| Synamedia Limited | 354 |
5 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| Google Technology Holdings LLC | 2658 |
4 |
| Microsoft Technology Licensing, LLC | 51439 |
4 |
| DISH Network L.L.C. | 746 |
4 |
| OpenTV, Inc. | 346 |
4 |
| Sagemcom Broadband SAS | 421 |
4 |
| DISH Network Technologies India Private Limited | 272 |
4 |
| Other owners | 174 |