- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4408 - Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
Patent holdings for IPC class H04N 21/4408
Total number of patents in this class: 335
10-year publication summary
|
43
|
65
|
42
|
28
|
38
|
25
|
20
|
11
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
28 |
| Google LLC | 38759 |
18 |
| TiVo Solutions Inc. | 287 |
11 |
| ARRIS Enterprises LLC | 3432 |
10 |
| Sling Media L.L.C. | 199 |
9 |
| DISH Technologies L.L.C. | 1666 |
9 |
| Nagravision S.A. | 626 |
8 |
| Intel Corporation | 45621 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| DivX, LLC | 274 |
7 |
| The Nielsen Company (US), LLC | 2549 |
7 |
| Rateze Remote Mgmt. L.L.C. | 83 |
7 |
| Synamedia Limited | 354 |
7 |
| DISH Network Technologies India Private Limited | 272 |
7 |
| Sony Corporation | 32931 |
6 |
| Ericsson | 20417 |
6 |
| Edge2020 LLC | 12 |
6 |
| Vanco International, LLC | 27 |
6 |
| Toshiba Corporation | 12017 |
5 |
| Nagrastar, LLC | 45 |
5 |
| Other owners | 159 |