- 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: 1601
10-year publication summary
|
241
|
218
|
170
|
144
|
143
|
132
|
131
|
109
|
95
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Comcast Cable Communications, LLC | 4075 |
66 |
| Huawei Technologies Co., Ltd. | 100781 |
61 |
| AT&T Intellectual Property I, L.P. | 9886 |
51 |
| Samsung Electronics Co., Ltd. | 131630 |
50 |
| DISH Technologies L.L.C. | 1666 |
44 |
| ARRIS Enterprises LLC | 3432 |
38 |
| Ericsson | 20417 |
30 |
| LG Electronics Inc. | 69257 |
29 |
| Amazon Technologies, Inc. | 24422 |
25 |
| Cisco Technology, Inc. | 18858 |
24 |
| Google LLC | 38759 |
23 |
| Time Warner Cable Enterprises LLC | 945 |
22 |
| Sony Corporation | 32931 |
21 |
| ZTE Corporation | 39218 |
21 |
| Rovi Guides, Inc. | 3236 |
21 |
| Verizon Patent And Licensing Inc. | 6900 |
18 |
| Avago Technologies International Sales Pte. Limited | 9260 |
18 |
| Saturn Licensing LLC | 1502 |
17 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
17 |
| Qualcomm Incorporated | 76576 |
16 |
| Other owners | 989 |