- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 21/20 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a curvilinear path
Patent holdings for IPC class H01Q 21/20
Total number of patents in this class: 879
10-year publication summary
|
66
|
69
|
77
|
88
|
110
|
102
|
77
|
76
|
78
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9886 |
36 |
| Huawei Technologies Co., Ltd. | 100781 |
27 |
| Qualcomm Incorporated | 76576 |
18 |
| CommScope Technologies LLC | 4937 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| Raytheon Company | 8535 |
14 |
| Cambium Networks Limited | 177 |
14 |
| Kymeta Corporation | 253 |
14 |
| NEC Corporation | 32703 |
12 |
| Nippon Telegraph and Telephone Corporation | 14195 |
12 |
| Intel Corporation | 45621 |
11 |
| John Mezzalingua Associates, LLC | 256 |
11 |
| Ericsson | 20417 |
10 |
| Symbol Technologies, LLC | 1308 |
10 |
| Murata Manufacturing Co., Ltd. | 22355 |
9 |
| Mimosa Networks, Inc. | 70 |
9 |
| Wistron NeWeb Corporation | 710 |
9 |
| Coms IP Holdings, LLC | 93 |
9 |
| Amazon Technologies, Inc. | 24422 |
8 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
8 |
| Other owners | 606 |