Patent holdings for IPC class H04N 21/238

Total number of patents in this class: 798

10-year publication summary

34
53
109
117
104
80
100
91
78
14
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Sony Corporation
43704
77
Samsung Electronics Co., Ltd.
107772
38
LG Electronics Inc.
61477
29
Huawei Technologies Co., Ltd.
68534
29
AT&T Intellectual Property I, L.P.
10770
27
ARRIS Enterprises LLC
2803
23
Cisco Technology, Inc.
19283
17
ZTE Corporation
32883
16
NEC Corporation
27438
15
Saturn Licensing LLC
1558
15
DISH Technologies L.L.C.
1389
15
Netflix, Inc.
626
13
Tencent Technology (Shenzhen) Company Limited
8762
13
Ericsson AB
744
12
Google LLC
31745
12
Dejero Labs Inc.
58
11
Ericsson
17855
10
Microsoft Technology Licensing, LLC
48171
10
Sony Interactive Entertainment LLC
1560
10
Amazon Technologies, Inc.
19545
8
Other owners 398