- 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: 4591
10-year publication summary
|
675
|
581
|
461
|
370
|
323
|
243
|
205
|
138
|
114
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 74447 |
254 |
| AT&T Intellectual Property I, L.P. | 9783 |
171 |
| ARRIS Enterprises LLC | 3442 |
167 |
| DIRECTV, LLC | 790 |
131 |
| DISH Technologies L.L.C. | 1606 |
116 |
| Time Warner Cable Enterprises LLC | 877 |
104 |
| Samsung Electronics Co., Ltd. | 151726 |
100 |
| Saturn Licensing LLC | 1447 |
100 |
| Google LLC | 43466 |
92 |
| Roku, Inc. | 1518 |
72 |
| Sony Corporation | 30578 |
70 |
| Comcast Cable Communications, LLC | 4981 |
66 |
| The Nielsen Company (US), LLC | 2666 |
61 |
| DISH Network L.L.C. | 914 |
57 |
| PPC Broadband, Inc. | 1108 |
56 |
| Verizon Patent And Licensing Inc. | 7414 |
53 |
| Sony Interactive Entertainment LLC | 2101 |
50 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Adeia Media Holdings LLC | 610 |
49 |
| Qualcomm Incorporated | 88980 |
43 |
| Other owners | 2730 |