- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
Patent holdings for IPC class H01Q 21/28
Total number of patents in this class: 2621
10-year publication summary
216
|
226
|
245
|
285
|
309
|
254
|
250
|
186
|
169
|
52
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 131630 |
142 |
Huawei Technologies Co., Ltd. | 100781 |
102 |
Apple Inc. | 50209 |
101 |
Murata Manufacturing Co., Ltd. | 22355 |
76 |
Qualcomm Incorporated | 76576 |
64 |
CommScope Technologies LLC | 4937 |
45 |
LG Electronics Inc. | 69257 |
38 |
Microsoft Technology Licensing, LLC | 51439 |
38 |
Sony Corporation | 32931 |
37 |
Intel Corporation | 45621 |
34 |
Chiun MAI Communication Systems, Inc. | 344 |
32 |
Yokowo Co., Ltd. | 464 |
30 |
Panasonic Corporation | 20786 |
26 |
Wistron NeWeb Corporation | 710 |
23 |
NEC Corporation | 32703 |
21 |
Ericsson | 20417 |
21 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
21 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
21 |
Raytheon Company | 8535 |
20 |
KYOCERA AVX Components (San Diego), Inc. | 256 |
19 |
Other owners | 1710 |