Patent holdings for IPC class H04W 52/28

Total number of patents in this class: 2183

10-year publication summary

177
196
192
196
163
178
153
142
114
53
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Qualcomm Incorporated
92859
329
Samsung Electronics Co., Ltd.
158442
201
LG Electronics Inc.
75855
128
Huawei Technologies Co., Ltd.
124115
96
Apple Inc.
59027
76
Ericsson
22880
75
Telefonaktiebolaget LM Ericsson (publ)
28872
75
Sony Corporation
30111
58
Interdigital Patent Holdings, Inc.
7079
48
NTT DoCoMo, Inc.
14854
34
Nokia Technologies Oy
21475
34
Parallel Wireless, Inc.
586
28
Intel Corporation
47178
26
Cisco Technology, Inc.
22555
24
ZTE Corporation
44255
24
Comcast Cable Communications, LLC
5199
22
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
23463
21
AT&T Intellectual Property I, L.P.
10002
20
Google LLC
44614
19
Sony Group Corporation
15822
16
Other owners 829