- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/6377 - Control signals issued by the client directed to the server or network components directed to server
Patent holdings for IPC class H04N 21/6377
Total number of patents in this class: 351
10-year publication summary
|
44
|
34
|
38
|
37
|
23
|
16
|
17
|
19
|
11
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2573 |
17 |
| Sony Interactive Entertainment LLC | 2082 |
17 |
| RESI Media LLC | 21 |
15 |
| AT&T Intellectual Property I, L.P. | 9494 |
13 |
| Samsung Electronics Co., Ltd. | 145025 |
11 |
| Qualcomm Incorporated | 84847 |
10 |
| Dejero Labs Inc. | 93 |
9 |
| Sony Corporation | 31107 |
7 |
| Futurewei Technologies, Inc. | 3753 |
7 |
| Google LLC | 42004 |
7 |
| Time Warner Cable Enterprises LLC | 898 |
7 |
| Motorola Solutions, Inc. | 4404 |
6 |
| Comcast Cable Communications, LLC | 4669 |
6 |
| DIRECTV, LLC | 782 |
6 |
| Nagravision S.A. | 588 |
6 |
| Roku, Inc. | 1387 |
6 |
| Maxell, Ltd. | 2785 |
6 |
| Verizon Patent And Licensing Inc. | 7075 |
5 |
| Nokia Technologies Oy | 17637 |
5 |
| Canon Inc. | 39660 |
4 |
| Other owners | 181 |