- 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: 1247
10-year publication summary
|
150
|
233
|
199
|
168
|
132
|
102
|
85
|
67
|
60
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DISH Technologies L.L.C. | 1666 |
45 |
| Maxell, Ltd. | 2533 |
39 |
| Broadband Itv, Inc. | 71 |
38 |
| Google LLC | 38759 |
38 |
| Sony Corporation | 32931 |
33 |
| Sonos, Inc. | 2274 |
31 |
| AT&T Intellectual Property I, L.P. | 9886 |
30 |
| Rovi Guides, Inc. | 3236 |
30 |
| Nagravision S.A. | 626 |
29 |
| Time Warner Cable Enterprises LLC | 945 |
28 |
| Comcast Cable Communications, LLC | 4075 |
26 |
| Maxell Holdings, Ltd. | 1422 |
26 |
| Samsung Electronics Co., Ltd. | 131630 |
21 |
| DIRECTV, LLC | 812 |
20 |
| Microsoft Technology Licensing, LLC | 51439 |
18 |
| Apple Inc. | 50209 |
17 |
| Intel Corporation | 45621 |
17 |
| Sinclair Broadcast Group, Inc. | 66 |
17 |
| Verizon Patent And Licensing Inc. | 6900 |
16 |
| LG Electronics Inc. | 69257 |
15 |
| Other owners | 713 |