Patent holdings for IPC class H04N 21/43

Total number of patents in this class: 2924

10-year publication summary

52
149
296
373
397
390
418
388
317
243
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
59921
185
Samsung Electronics Co., Ltd.
105375
148
Sonos, Inc.
1333
101
Sony Corporation
43781
89
AT&T Intellectual Property I, L.P.
10588
50
DISH Technologies L.L.C.
1370
50
Apple Inc.
37123
46
Flextronics AP, LLC
604
46
Saturn Licensing LLC
1594
46
Google LLC
30575
44
Qualcomm Incorporated
59267
41
Comcast Cable Communications, LLC
2436
36
Intel Corporation
47308
35
Avago Technologies International Sales Pte. Limited
12423
35
Network-1 Technologies, Inc.
61
30
Winview, Inc.
99
30
Thomson Licensing
4819
29
Tencent Technology (Shenzhen) Company Limited
8291
25
Microsoft Technology Licensing, LLC
47537
23
Huawei Technologies Co., Ltd.
64407
22
Other owners 1813