- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/2347 - Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
Patent holdings for IPC class H04N 21/2347
Total number of patents in this class: 820
10-year publication summary
|
101
|
92
|
67
|
91
|
72
|
64
|
53
|
48
|
40
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roku, Inc. | 1407 |
33 |
| Samsung Electronics Co., Ltd. | 147003 |
30 |
| Google LLC | 42379 |
26 |
| Comcast Cable Communications, LLC | 4718 |
25 |
| DivX, LLC | 297 |
22 |
| DISH Technologies L.L.C. | 1608 |
21 |
| ARRIS Enterprises LLC | 3452 |
18 |
| Nagravision S.A. | 583 |
18 |
| AT&T Intellectual Property I, L.P. | 9542 |
16 |
| Ericsson | 21821 |
16 |
| Sony Corporation | 31004 |
11 |
| Turner Broadcasting System, Inc. | 285 |
11 |
| Huawei Technologies Co., Ltd. | 113191 |
11 |
| Cox Communications, Inc. | 480 |
11 |
| Irdeto B.V. | 309 |
11 |
| Microsoft Technology Licensing, LLC | 53805 |
10 |
| Time Warner Cable Enterprises LLC | 893 |
10 |
| LG Electronics Inc. | 73383 |
9 |
| Intel Corporation | 47051 |
9 |
| Cisco Technology, Inc. | 19985 |
9 |
| Other owners | 493 |