- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/2389 - Multiplex stream processing, e.g. multiplex stream encrypting
Patent holdings for IPC class H04N 21/2389
Total number of patents in this class: 664
10-year publication summary
|
71
|
58
|
53
|
53
|
104
|
73
|
45
|
36
|
33
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Nielsen Company (US), LLC | 2639 |
97 |
| LG Electronics Inc. | 72559 |
60 |
| Turner Broadcasting System, Inc. | 282 |
31 |
| Roku, Inc. | 1373 |
25 |
| Sony Corporation | 31138 |
21 |
| Comcast Cable Communications, LLC | 4638 |
20 |
| Samsung Electronics Co., Ltd. | 144426 |
17 |
| Verance Corporation | 83 |
17 |
| Broadcom Corporation | 519 |
13 |
| Digimarc Corporation | 739 |
13 |
| ARRIS Enterprises LLC | 3428 |
10 |
| Saturn Licensing LLC | 1447 |
10 |
| Irdeto B.V. | 307 |
9 |
| Nagravision S.A. | 592 |
9 |
| Synamedia Limited | 341 |
9 |
| Adeia Guides Inc. | 3206 |
9 |
| Nokia Technologies Oy | 17579 |
8 |
| Time Warner Cable Enterprises LLC | 899 |
8 |
| Avago Technologies International Sales Pte. Limited | 8829 |
8 |
| Sony Group Corporation | 13560 |
7 |
| Other owners | 263 |