Patent holdings for IPC class H04N 21/488

Total number of patents in this class: 2054

10-year publication summary

87
140
265
291
347
301
281
243
196
18
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
2056
148
LG Electronics Inc.
61477
131
Sony Corporation
43704
94
AT&T Intellectual Property I, L.P.
10770
88
Samsung Electronics Co., Ltd.
107772
76
Google LLC
31745
68
DISH Technologies L.L.C.
1389
68
Saturn Licensing LLC
1558
59
Flextronics AP, LLC
603
42
International Business Machines Corporation
72126
33
Comcast Cable Communications, LLC
2506
31
Intel Corporation
46957
30
Tencent Technology (Shenzhen) Company Limited
8762
30
Microsoft Technology Licensing, LLC
48171
29
ARRIS Enterprises LLC
2803
29
Tribune Broadcasting Company, LLC
274
29
Verizon Patent And Licensing Inc.
5436
28
The DIRECTV Group, Inc.
1089
25
Time Warner Cable Enterprises LLC
986
23
TiVo Solutions Inc.
319
22
Other owners 971