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