- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/647 - Control signaling between network components and server or clientsNetwork processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load or bridging between two different networks, e.g. between IP and wireless
Patent holdings for IPC class H04N 21/647
Total number of patents in this class: 1712
10-year publication summary
|
170
|
144
|
143
|
132
|
133
|
110
|
101
|
80
|
61
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Comcast Cable Communications, LLC | 5197 |
81 |
| Huawei Technologies Co., Ltd. | 123867 |
64 |
| Samsung Electronics Co., Ltd. | 158337 |
53 |
| AT&T Intellectual Property I, L.P. | 10003 |
47 |
| ARRIS Enterprises LLC | 3406 |
43 |
| DISH Technologies L.L.C. | 1601 |
41 |
| LG Electronics Inc. | 75807 |
35 |
| Ericsson | 22839 |
30 |
| Adeia Guides Inc. | 3941 |
28 |
| Amazon Technologies, Inc. | 28182 |
25 |
| Google LLC | 44601 |
25 |
| Cisco Technology, Inc. | 22547 |
23 |
| Telefonaktiebolaget LM Ericsson (publ) | 28859 |
23 |
| ZTE Corporation | 44230 |
22 |
| Sony Corporation | 30128 |
20 |
| Time Warner Cable Enterprises LLC | 851 |
19 |
| Microsoft Technology Licensing, LLC | 54489 |
18 |
| Saturn Licensing LLC | 1441 |
18 |
| Avago Technologies International Sales Pte. Limited | 8545 |
18 |
| Verizon Patent And Licensing Inc. | 7575 |
17 |
| Other owners | 1062 |