- 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: 6281
10-year publication summary
307
|
428
|
784
|
955
|
854
|
954
|
821
|
706
|
663
|
94
|
2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rovi Guides, Inc. | 2071 |
362 |
AT&T Intellectual Property I, L.P. | 10780 |
267 |
Samsung Electronics Co., Ltd. | 108011 |
248 |
LG Electronics Inc. | 61670 |
206 |
Google LLC | 31798 |
187 |
DISH Technologies L.L.C. | 1390 |
186 |
Time Warner Cable Enterprises LLC | 986 |
137 |
Verizon Patent And Licensing Inc. | 5442 |
135 |
Comcast Cable Communications, LLC | 2513 |
131 |
Sony Corporation | 43743 |
125 |
Tencent Technology (Shenzhen) Company Limited | 8779 |
99 |
Apple Inc. | 38979 |
96 |
The DIRECTV Group, Inc. | 1089 |
89 |
TiVo Solutions Inc. | 320 |
79 |
Broadband Itv, Inc. | 79 |
72 |
Facebook, Inc. | 8496 |
70 |
Microsoft Technology Licensing, LLC | 48254 |
70 |
le Holdings (Beijing) Co., Ltd. | 1505 |
64 |
Amazon Technologies, Inc. | 19577 |
60 |
Huawei Technologies Co., Ltd. | 68813 |
57 |
Other owners | 3541 |