- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/6405 - Multicasting
Patent holdings for IPC class H04N 21/6405
Total number of patents in this class: 742
10-year publication summary
|
102
|
119
|
95
|
84
|
67
|
60
|
50
|
44
|
30
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9886 |
60 |
| Huawei Technologies Co., Ltd. | 100781 |
36 |
| Comcast Cable Communications, LLC | 4075 |
34 |
| ARRIS Enterprises LLC | 3432 |
26 |
| Ericsson | 20417 |
25 |
| Apple Inc. | 50209 |
22 |
| Verizon Patent And Licensing Inc. | 6900 |
21 |
| Time Warner Cable Enterprises LLC | 945 |
21 |
| British Telecommunications Public Limited Company | 2575 |
20 |
| Sony Interactive Entertainment LLC | 1946 |
19 |
| Sony Corporation | 32931 |
18 |
| LG Electronics Inc. | 69257 |
15 |
| Ericsson AB | 491 |
15 |
| Saturn Licensing LLC | 1502 |
15 |
| Samsung Electronics Co., Ltd. | 131630 |
13 |
| Google LLC | 38759 |
12 |
| ZTE Corporation | 39218 |
11 |
| Qualcomm Incorporated | 76576 |
10 |
| ViaSat, Inc. | 1508 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
10 |
| Other owners | 329 |