- 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: 7135
10-year publication summary
785
|
959
|
864
|
964
|
843
|
738
|
694
|
662
|
617
|
230
|
2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rovi Guides, Inc. | 2696 |
428 |
Samsung Electronics Co., Ltd. | 123340 |
279 |
AT&T Intellectual Property I, L.P. | 11373 |
267 |
Google LLC | 36031 |
215 |
DISH Technologies L.L.C. | 1650 |
208 |
LG Electronics Inc. | 67565 |
198 |
Comcast Cable Communications, LLC | 3504 |
178 |
Verizon Patent And Licensing Inc. | 6950 |
144 |
Tencent Technology (Shenzhen) Company Limited | 11670 |
133 |
Time Warner Cable Enterprises LLC | 968 |
126 |
Apple Inc. | 46256 |
122 |
Sony Corporation | 35977 |
102 |
Broadband Itv, Inc. | 88 |
81 |
Microsoft Technology Licensing, LLC | 48371 |
79 |
DIRECTV, LLC | 863 |
78 |
Huawei Technologies Co., Ltd. | 91672 |
77 |
TiVo Solutions Inc. | 290 |
73 |
Amazon Technologies, Inc. | 23264 |
70 |
META Platforms, Inc. | 7794 |
69 |
Sonos, Inc. | 2035 |
68 |
Other owners | 4140 |