- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/6408 - Unicasting
Patent holdings for IPC class H04N 21/6408
Total number of patents in this class: 335
10-year publication summary
|
33
|
40
|
29
|
23
|
26
|
19
|
22
|
21
|
15
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 54300 |
25 |
| AT&T Intellectual Property I, L.P. | 9447 |
20 |
| DIRECTV, LLC | 786 |
16 |
| Time Warner Cable Enterprises LLC | 901 |
16 |
| Autoconnect Holdings LLC | 95 |
12 |
| Comcast Cable Communications, LLC | 4587 |
12 |
| British Telecommunications Public Limited Company | 2603 |
11 |
| Huawei Technologies Co., Ltd. | 110438 |
10 |
| LG Electronics Inc. | 72247 |
9 |
| Adeia Guides Inc. | 3136 |
9 |
| ARRIS Enterprises LLC | 3460 |
8 |
| Saturn Licensing LLC | 1446 |
8 |
| Ericsson | 21531 |
7 |
| Portsmouth Network Corporation | 10 |
7 |
| Adeia Media Holdings LLC | 598 |
7 |
| Qualcomm Incorporated | 84189 |
6 |
| Broadpeak | 46 |
6 |
| Samsung Electronics Co., Ltd. | 143555 |
5 |
| Verizon Patent And Licensing Inc. | 7047 |
5 |
| Nokia Technologies Oy | 17491 |
5 |
| Other owners | 131 |