- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 21/472 - End-user interface for requesting content, additional data or servicesEnd-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: 7905
10-year publication summary
|
850
|
944
|
831
|
729
|
687
|
664
|
629
|
575
|
543
|
429
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3518 |
497 |
| Samsung Electronics Co., Ltd. | 149362 |
307 |
| Google LLC | 43177 |
261 |
| Comcast Cable Communications, LLC | 4882 |
213 |
| DISH Technologies L.L.C. | 1607 |
207 |
| AT&T Intellectual Property I, L.P. | 9686 |
204 |
| LG Electronics Inc. | 73884 |
198 |
| Apple Inc. | 56547 |
168 |
| Beijing Zitiao Network Technology Co., Ltd. | 5165 |
161 |
| Tencent Technology (Shenzhen) Company Limited | 15210 |
155 |
| Verizon Patent And Licensing Inc. | 7375 |
123 |
| Time Warner Cable Enterprises LLC | 881 |
120 |
| Rovi Guides, Inc. | 911 |
86 |
| Sony Corporation | 30760 |
85 |
| Sonos, Inc. | 2712 |
85 |
| Microsoft Technology Licensing, LLC | 54366 |
84 |
| Huawei Technologies Co., Ltd. | 116134 |
83 |
| Amazon Technologies, Inc. | 27270 |
82 |
| Roku, Inc. | 1472 |
76 |
| DIRECTV, LLC | 740 |
74 |
| Other owners | 4636 |