- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/647 - Control signaling between network components and server or clients; Network 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 bet
Patent holdings for IPC class H04N 21/647
Total number of patents in this class: 1396
10-year publication summary
|
61
|
120
|
173
|
238
|
217
|
167
|
136
|
131
|
122
|
16
|
| 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 10780 |
64 |
| Huawei Technologies Co., Ltd. | 68813 |
45 |
| Samsung Electronics Co., Ltd. | 108011 |
41 |
| Comcast Cable Communications, LLC | 2513 |
40 |
| DISH Technologies L.L.C. | 1390 |
38 |
| ARRIS Enterprises LLC | 2811 |
33 |
| Ericsson | 17869 |
29 |
| Cisco Technology, Inc. | 19307 |
29 |
| LG Electronics Inc. | 61670 |
26 |
| Sony Corporation | 43743 |
26 |
| Time Warner Cable Enterprises LLC | 986 |
22 |
| Amazon Technologies, Inc. | 19577 |
20 |
| Qualcomm Incorporated | 59295 |
19 |
| Verizon Patent And Licensing Inc. | 5442 |
19 |
| ZTE Corporation | 32924 |
19 |
| Ericsson AB | 744 |
18 |
| Google LLC | 31798 |
18 |
| Avago Technologies International Sales Pte. Limited | 11936 |
18 |
| International Business Machines Corporation | 72244 |
17 |
| Intel Corporation | 47005 |
14 |
| Other owners | 841 |