- 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: 349
10-year publication summary
|
43
|
33
|
36
|
36
|
23
|
15
|
17
|
18
|
11
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sonos, Inc. | 2676 |
17 |
| Sony Interactive Entertainment LLC | 2089 |
15 |
| RESI Media LLC | 22 |
15 |
| AT&T Intellectual Property I, L.P. | 9629 |
13 |
| Samsung Electronics Co., Ltd. | 148173 |
11 |
| Qualcomm Incorporated | 87067 |
10 |
| Dejero Labs Inc. | 93 |
9 |
| Sony Corporation | 30891 |
7 |
| Futurewei Technologies, Inc. | 3763 |
7 |
| Google LLC | 42794 |
7 |
| Time Warner Cable Enterprises LLC | 887 |
7 |
| Motorola Solutions, Inc. | 4515 |
6 |
| Comcast Cable Communications, LLC | 4808 |
6 |
| DIRECTV, LLC | 778 |
6 |
| Nagravision S.A. | 581 |
6 |
| Roku, Inc. | 1445 |
6 |
| Maxell, Ltd. | 2845 |
6 |
| Verizon Patent And Licensing Inc. | 7177 |
5 |
| Microsoft Technology Licensing, LLC | 54052 |
5 |
| Nokia Technologies Oy | 18576 |
5 |
| Other owners | 180 |