Patent holdings for IPC class H01Q 21/28

Total number of patents in this class: 2628

10-year publication summary

216
226
245
285
309
254
250
187
169
66
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
132456
143
Huawei Technologies Co., Ltd.
101589
102
Apple Inc.
50350
101
Murata Manufacturing Co., Ltd.
22488
77
Qualcomm Incorporated
77154
64
CommScope Technologies LLC
4947
46
Microsoft Technology Licensing, LLC
51489
38
LG Electronics Inc.
69291
36
Sony Corporation
32716
36
Intel Corporation
45627
36
Chiun MAI Communication Systems, Inc.
344
32
Yokowo Co., Ltd.
468
31
Panasonic Corporation
20707
26
Wistron NeWeb Corporation
717
23
Panasonic Intellectual Property Management Co., Ltd.
27951
22
NEC Corporation
32895
21
Ericsson
20416
21
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
18871
21
Raytheon Company
8540
20
KYOCERA AVX Components (San Diego), Inc.
258
19
Other owners 1713