- 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 MPEG-4 scene graphs involving video stream encryption
Patent holdings for IPC class H04N 21/2347
Total number of patents in this class: 787
10-year publication summary
|
84
|
107
|
92
|
68
|
94
|
73
|
65
|
54
|
47
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roku, Inc. | 1151 |
34 |
| Samsung Electronics Co., Ltd. | 131630 |
30 |
| Google LLC | 38759 |
25 |
| Comcast Cable Communications, LLC | 4075 |
21 |
| DISH Technologies L.L.C. | 1666 |
21 |
| Nagravision S.A. | 626 |
19 |
| DivX, LLC | 274 |
18 |
| Time Warner Cable Enterprises LLC | 945 |
17 |
| AT&T Intellectual Property I, L.P. | 9886 |
15 |
| ARRIS Enterprises LLC | 3432 |
15 |
| Sony Corporation | 32931 |
12 |
| Ericsson | 20417 |
12 |
| Cox Communications, Inc. | 471 |
11 |
| Irdeto B.V. | 296 |
11 |
| Turner Broadcasting System, Inc. | 276 |
10 |
| LG Electronics Inc. | 69257 |
9 |
| Intel Corporation | 45621 |
9 |
| Cisco Technology, Inc. | 18858 |
9 |
| Microsoft Technology Licensing, LLC | 51439 |
9 |
| Nokia Technologies Oy | 15057 |
9 |
| Other owners | 471 |