- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/4627 - Rights management
Patent holdings for IPC class H04N 21/4627
Total number of patents in this class: 1262
10-year publication summary
|
233
|
199
|
167
|
132
|
102
|
85
|
67
|
60
|
52
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DISH Technologies L.L.C. | 1606 |
45 |
| Maxell, Ltd. | 2788 |
42 |
| Google LLC | 42096 |
39 |
| Sonos, Inc. | 2590 |
36 |
| Sony Corporation | 31080 |
32 |
| Adeia Guides Inc. | 3239 |
30 |
| Comcast Cable Communications, LLC | 4700 |
29 |
| Nagravision S.A. | 586 |
29 |
| AT&T Intellectual Property I, L.P. | 9507 |
28 |
| Maxell Holdings, Ltd. | 1314 |
26 |
| Time Warner Cable Enterprises LLC | 898 |
25 |
| Samsung Electronics Co., Ltd. | 145630 |
23 |
| Broadband Itv, Inc. | 34 |
23 |
| DIRECTV, LLC | 781 |
21 |
| Microsoft Technology Licensing, LLC | 53667 |
19 |
| Apple Inc. | 54714 |
17 |
| Sinclair Broadcast Group, Inc. | 51 |
17 |
| Verizon Patent And Licensing Inc. | 7077 |
16 |
| LG Electronics Inc. | 72890 |
15 |
| Huawei Technologies Co., Ltd. | 112134 |
15 |
| Other owners | 735 |