Patent holdings for IPC class H04W 28/20

Total number of patents in this class: 1447

10-year publication summary

87
112
127
126
127
136
116
133
95
78
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Huawei Technologies Co., Ltd.
125335
167
Qualcomm Incorporated
93847
109
Samsung Electronics Co., Ltd.
159473
58
LG Electronics Inc.
76299
52
ZTE Corporation
44331
48
Ericsson
23154
40
Apple Inc.
59414
37
Beijing Xiaomi Mobile Software Co., Ltd.
15716
32
Intel Corporation
46327
29
T-Mobile USA, Inc.
4559
24
Telefonaktiebolaget LM Ericsson (publ)
29015
23
NEC Corporation
37532
21
Cisco Technology, Inc.
22656
21
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
23799
21
AT&T Intellectual Property I, L.P.
10069
18
Charter Communications Operating, LLC
1637
18
Vivo Mobile Communication Co., Ltd.
13854
17
Verizon Patent And Licensing Inc.
7693
16
Headwater Research LLC
320
16
Sony Corporation
29887
15
Other owners 665