- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/472 - End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification or for manipulating displayed content
Patent holdings for IPC class H04N 21/472
Total number of patents in this class: 7380
10-year publication summary
|
959
|
865
|
962
|
844
|
740
|
697
|
673
|
638
|
565
|
198
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rovi Guides, Inc. | 3236 |
494 |
| Samsung Electronics Co., Ltd. | 131630 |
284 |
| Google LLC | 38759 |
236 |
| AT&T Intellectual Property I, L.P. | 9886 |
222 |
| DISH Technologies L.L.C. | 1666 |
212 |
| LG Electronics Inc. | 69257 |
194 |
| Comcast Cable Communications, LLC | 4075 |
186 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
141 |
| Apple Inc. | 50209 |
133 |
| Verizon Patent And Licensing Inc. | 6900 |
130 |
| Time Warner Cable Enterprises LLC | 945 |
123 |
| Sony Corporation | 32931 |
94 |
| Microsoft Technology Licensing, LLC | 51439 |
84 |
| Huawei Technologies Co., Ltd. | 100781 |
80 |
| DIRECTV, LLC | 812 |
75 |
| TiVo Solutions Inc. | 287 |
75 |
| Amazon Technologies, Inc. | 24422 |
73 |
| Sonos, Inc. | 2274 |
73 |
| TiVo Corporation | 462 |
65 |
| Broadband Itv, Inc. | 71 |
64 |
| Other owners | 4342 |