- 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: 316
10-year publication summary
|
42
|
33
|
40
|
29
|
23
|
26
|
19
|
22
|
19
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Apple Inc. | 50209 |
25 |
| AT&T Intellectual Property I, L.P. | 9886 |
21 |
| DIRECTV, LLC | 812 |
16 |
| Time Warner Cable Enterprises LLC | 945 |
15 |
| Autoconnect Holdings LLC | 91 |
11 |
| Comcast Cable Communications, LLC | 4075 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| British Telecommunications Public Limited Company | 2575 |
10 |
| Huawei Technologies Co., Ltd. | 100781 |
10 |
| Rovi Guides, Inc. | 3236 |
9 |
| Ericsson | 20417 |
8 |
| ARRIS Enterprises LLC | 3432 |
8 |
| Saturn Licensing LLC | 1502 |
8 |
| Qualcomm Incorporated | 76576 |
5 |
| Verizon Patent And Licensing Inc. | 6900 |
5 |
| Nokia Technologies Oy | 15057 |
5 |
| Broadpeak | 40 |
5 |
| Google LLC | 38759 |
5 |
| Sonos, Inc. | 2274 |
5 |
| TiVo Corporation | 462 |
5 |
| Other owners | 119 |