- 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: 935
10-year publication summary
|
74
|
85
|
110
|
99
|
73
|
78
|
81
|
51
|
36
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AT&T Intellectual Property I, L.P. | 9827 |
31 |
| Huawei Technologies Co., Ltd. | 119240 |
28 |
| Qualcomm Incorporated | 89620 |
23 |
| Raytheon Company | 8479 |
17 |
| Outdoor Wireless Networks LLC | 2088 |
17 |
| Kymeta Corporation | 271 |
15 |
| Samsung Electronics Co., Ltd. | 152716 |
14 |
| Nippon Telegraph and Telephone Corporation | 16250 |
14 |
| John Mezzalingua Associates, LLC | 338 |
14 |
| NEC Corporation | 36498 |
12 |
| Ericsson | 22230 |
12 |
| Intel Corporation | 46680 |
12 |
| Mimosa Networks, Inc. | 74 |
12 |
| Cambium Networks Limited | 196 |
11 |
| Symbol Technologies, LLC | 1162 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 28564 |
10 |
| Murata Manufacturing Co., Ltd. | 25398 |
9 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1892 |
9 |
| WNC Corporation | 584 |
9 |
| The Boeing Company | 20113 |
8 |
| Other owners | 648 |