Patent holdings for IPC class H04W 28/04

Total number of patents in this class: 4899

10-year publication summary

335
342
421
390
538
436
405
309
204
114
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
NTT DoCoMo, Inc.
12863
603
LG Electronics Inc.
72807
317
Qualcomm Incorporated
84971
302
Sharp Kabushiki Kaisha
18775
258
Huawei Technologies Co., Ltd.
111975
256
Samsung Electronics Co., Ltd.
145416
248
Sony Corporation
31093
124
Apple Inc.
54658
116
ZTE Corporation
42203
98
NEC Corporation
35521
97
Fujitsu Limited
18343
93
Ericsson
21704
92
ISCO International, LLC
235
88
Panasonic Intellectual Property Corporation of America
7613
81
Kyocera Corporation
13784
80
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
20883
77
Panasonic Corporation
20136
76
Nokia Technologies Oy
17651
64
Intel Corporation
46949
58
Sony Group Corporation
13703
51
Other owners 1720