- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/61 - Network physical structureSignal processing
Patent holdings for IPC class H04N 21/61
Total number of patents in this class: 4569
10-year publication summary
764
|
675
|
581
|
460
|
370
|
323
|
242
|
205
|
138
|
70
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Electronics Inc. | 73344 |
254 |
AT&T Intellectual Property I, L.P. | 9533 |
167 |
ARRIS Enterprises LLC | 3452 |
165 |
DIRECTV, LLC | 783 |
131 |
DISH Technologies L.L.C. | 1608 |
116 |
Time Warner Cable Enterprises LLC | 893 |
105 |
Samsung Electronics Co., Ltd. | 146811 |
100 |
Saturn Licensing LLC | 1442 |
98 |
Google LLC | 42333 |
91 |
Roku, Inc. | 1406 |
72 |
Sony Corporation | 31025 |
68 |
Comcast Cable Communications, LLC | 4713 |
65 |
The Nielsen Company (US), LLC | 2657 |
61 |
Sony Interactive Entertainment LLC | 2082 |
59 |
PPC Broadband, Inc. | 1082 |
56 |
DISH Network L.L.C. | 882 |
53 |
Verizon Patent And Licensing Inc. | 7114 |
52 |
Multimedia Technologies Pte, Ltd | 60 |
49 |
Adeia Media Holdings LLC | 605 |
48 |
Qualcomm Incorporated | 85833 |
44 |
Other owners | 2715 |