- 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: 7984
10-year publication summary
|
963
|
844
|
744
|
698
|
675
|
640
|
582
|
557
|
450
|
125
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Adeia Guides Inc. | 3751 |
507 |
| Samsung Electronics Co., Ltd. | 154120 |
314 |
| Google LLC | 43852 |
264 |
| Comcast Cable Communications, LLC | 5042 |
219 |
| DISH Technologies L.L.C. | 1604 |
207 |
| LG Electronics Inc. | 75045 |
200 |
| AT&T Intellectual Property I, L.P. | 9859 |
197 |
| Beijing Zitiao Network Technology Co., Ltd. | 6002 |
178 |
| Apple Inc. | 58122 |
172 |
| Tencent Technology (Shenzhen) Company Limited | 15668 |
158 |
| Verizon Patent And Licensing Inc. | 7495 |
123 |
| Time Warner Cable Enterprises LLC | 866 |
116 |
| Sonos, Inc. | 2799 |
88 |
| Sony Corporation | 30388 |
83 |
| Microsoft Technology Licensing, LLC | 54241 |
83 |
| Amazon Technologies, Inc. | 27726 |
82 |
| Roku, Inc. | 1555 |
81 |
| Rovi Guides, Inc. | 836 |
78 |
| Huawei Technologies Co., Ltd. | 120453 |
76 |
| DIRECTV, LLC | 794 |
74 |
| Other owners | 4684 |