Patent holdings for IPC class H04N 21/845

Total number of patents in this class: 4429

10-year publication summary

179
297
426
479
608
637
587
580
585
88
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Qualcomm Incorporated
59295
182
Rovi Guides, Inc.
2071
124
Sony Corporation
43743
116
Google LLC
31798
116
ARRIS Enterprises LLC
2811
113
AT&T Intellectual Property I, L.P.
10780
110
LG Electronics Inc.
61670
105
DISH Technologies L.L.C.
1390
99
Samsung Electronics Co., Ltd.
108011
92
Apple Inc.
38979
83
Comcast Cable Communications, LLC
2513
82
Microsoft Technology Licensing, LLC
48254
64
Canon Inc.
39001
63
Ericsson
17869
63
The Nielsen Company (US), LLC
2145
63
Cisco Technology, Inc.
19307
62
Huawei Technologies Co., Ltd.
68813
61
Saturn Licensing LLC
1557
57
Gracenote, Inc.
473
56
Ericsson AB
744
53
Other owners 2665