- 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: 4592
10-year publication summary
|
764
|
675
|
581
|
461
|
370
|
323
|
243
|
205
|
138
|
108
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73772 |
254 |
| AT&T Intellectual Property I, L.P. | 9677 |
171 |
| ARRIS Enterprises LLC | 3452 |
166 |
| DIRECTV, LLC | 740 |
131 |
| DISH Technologies L.L.C. | 1607 |
116 |
| Time Warner Cable Enterprises LLC | 885 |
104 |
| Samsung Electronics Co., Ltd. | 149087 |
100 |
| Saturn Licensing LLC | 1444 |
100 |
| Google LLC | 43094 |
92 |
| Roku, Inc. | 1470 |
72 |
| Sony Corporation | 30787 |
70 |
| Comcast Cable Communications, LLC | 4860 |
65 |
| The Nielsen Company (US), LLC | 2649 |
61 |
| DISH Network L.L.C. | 905 |
57 |
| PPC Broadband, Inc. | 1098 |
56 |
| Verizon Patent And Licensing Inc. | 7224 |
52 |
| Sony Interactive Entertainment LLC | 2097 |
52 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Adeia Media Holdings LLC | 603 |
49 |
| Qualcomm Incorporated | 87585 |
44 |
| Other owners | 2731 |