- 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: 4590
10-year publication summary
|
684
|
585
|
470
|
374
|
335
|
250
|
210
|
141
|
115
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75045 |
254 |
| AT&T Intellectual Property I, L.P. | 9859 |
169 |
| ARRIS Enterprises LLC | 3438 |
168 |
| DIRECTV, LLC | 794 |
131 |
| DISH Technologies L.L.C. | 1604 |
116 |
| Saturn Licensing LLC | 1449 |
102 |
| Samsung Electronics Co., Ltd. | 154120 |
100 |
| Time Warner Cable Enterprises LLC | 866 |
100 |
| Google LLC | 43852 |
92 |
| Roku, Inc. | 1555 |
72 |
| Sony Corporation | 30388 |
70 |
| Comcast Cable Communications, LLC | 5042 |
66 |
| The Nielsen Company (US), LLC | 2670 |
61 |
| DISH Network L.L.C. | 925 |
58 |
| PPC Broadband, Inc. | 1113 |
54 |
| Verizon Patent And Licensing Inc. | 7495 |
52 |
| Sony Interactive Entertainment LLC | 2126 |
50 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Adeia Media Holdings LLC | 605 |
49 |
| Qualcomm Incorporated | 90374 |
43 |
| Other owners | 2734 |