- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/61 - Network physical structure; Signal processing
Patent holdings for IPC class H04N 21/61
Total number of patents in this class: 4568
10-year publication summary
|
683
|
772
|
684
|
584
|
469
|
373
|
334
|
246
|
198
|
53
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
251 |
| AT&T Intellectual Property I, L.P. | 9886 |
190 |
| ARRIS Enterprises LLC | 3432 |
156 |
| DIRECTV, LLC | 812 |
133 |
| DISH Technologies L.L.C. | 1666 |
117 |
| Time Warner Cable Enterprises LLC | 945 |
108 |
| Samsung Electronics Co., Ltd. | 131630 |
103 |
| Saturn Licensing LLC | 1502 |
97 |
| Google LLC | 38759 |
90 |
| Sony Corporation | 32931 |
73 |
| Roku, Inc. | 1151 |
73 |
| Sony Interactive Entertainment LLC | 1946 |
70 |
| Broadband Itv, Inc. | 71 |
62 |
| Comcast Cable Communications, LLC | 4075 |
57 |
| PPC Broadband, Inc. | 1017 |
57 |
| Verizon Patent And Licensing Inc. | 6900 |
54 |
| The Nielsen Company (US), LLC | 2549 |
51 |
| Multimedia Technologies Pte, Ltd | 60 |
49 |
| Qualcomm Incorporated | 76576 |
46 |
| DISH Network L.L.C. | 746 |
46 |
| Other owners | 2685 |