Patent holdings for IPC class H04N 21/2387

Total number of patents in this class: 1165

10-year publication summary

101
111
155
133
139
134
126
114
85
23
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
3236
66
Google LLC
38759
53
Comcast Cable Communications, LLC
4075
37
DivX, LLC
274
34
LG Electronics Inc.
69257
33
Samsung Electronics Co., Ltd.
131630
28
Turner Broadcasting System, Inc.
276
28
Amazon Technologies, Inc.
24422
27
ARRIS Enterprises LLC
3432
26
DISH Technologies L.L.C.
1666
26
Sonos, Inc.
2274
23
Roku, Inc.
1151
22
TiVo Corporation
462
21
Ericsson
20417
19
DIRECTV, LLC
812
16
Mitsubishi Electric Corporation
43934
14
Verizon Patent And Licensing Inc.
6900
14
Time Warner Cable Enterprises LLC
945
14
Apple Inc.
50209
13
Huawei Technologies Co., Ltd.
100781
13
Other owners 638