Patent holdings for IPC class H04N 21/234

Total number of patents in this class: 4207

10-year publication summary

105
193
337
536
636
712
676
605
592
95
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
61477
175
Google LLC
31745
170
AT&T Intellectual Property I, L.P.
10770
113
The Nielsen Company (US), LLC
2162
107
Gracenote, Inc.
472
105
Sony Corporation
43704
85
Samsung Electronics Co., Ltd.
107772
81
ARRIS Enterprises LLC
2803
77
Amazon Technologies, Inc.
19545
74
International Business Machines Corporation
72126
65
Rovi Guides, Inc.
2056
61
Facebook, Inc.
8487
57
Comcast Cable Communications, LLC
2506
57
Tribune Broadcasting Company, LLC
274
57
Netflix, Inc.
626
56
DISH Technologies L.L.C.
1389
53
Huawei Technologies Co., Ltd.
68534
50
Tencent Technology (Shenzhen) Company Limited
8762
50
Microsoft Technology Licensing, LLC
48171
47
Disney Enterprises, Inc.
5524
44
Other owners 2623