Patent holdings for IPC class H04N 21/472

Total number of patents in this class: 7371

10-year publication summary

959
865
962
844
740
697
673
637
565
178
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
3221
494
Samsung Electronics Co., Ltd.
131182
283
Google LLC
38633
236
AT&T Intellectual Property I, L.P.
9957
224
DISH Technologies L.L.C.
1665
212
LG Electronics Inc.
69180
193
Comcast Cable Communications, LLC
4042
186
Tencent Technology (Shenzhen) Company Limited
12906
141
Apple Inc.
50177
133
Verizon Patent And Licensing Inc.
6909
130
Time Warner Cable Enterprises LLC
946
123
Sony Corporation
33037
94
Microsoft Technology Licensing, LLC
51368
84
Huawei Technologies Co., Ltd.
100509
80
DIRECTV, LLC
813
75
TiVo Solutions Inc.
288
75
Amazon Technologies, Inc.
24412
73
Sonos, Inc.
2266
73
TiVo Corporation
462
65
Broadband Itv, Inc.
71
64
Other owners 4333