- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 15/04 - Refracting or diffracting devices, e.g. lens, prism comprising wave-guiding channel or channels bounded by effective conductive surfaces substantially perpendicular to the electric vector of the wave, e.g. parallel-plate waveguide lens
Patent holdings for IPC class H01Q 15/04
Total number of patents in this class: 74
10-year publication summary
|
4
|
2
|
2
|
12
|
9
|
12
|
11
|
4
|
8
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vasant Limited | 7 |
5 |
| Huawei Technologies Co., Ltd. | 113006 |
3 |
| Raytheon Company | 8387 |
3 |
| Hamamatsu Photonics K.K. | 4419 |
3 |
| The Florida International University Board of Trustees | 622 |
3 |
| Ibaraki University | 54 |
3 |
| Qualcomm Incorporated | 85550 |
2 |
| Duke University | 3067 |
2 |
| University of South Florida | 1832 |
2 |
| National University Corporation Tokyo University of Agriculture and Technology | 342 |
2 |
| National University of Singapore | 2453 |
2 |
| The United States of America as represented by the Secretary of the Air Force | 843 |
2 |
| Lunewave, Inc. | 8 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 28022 |
2 |
| Sony Europe B.V. | 1149 |
2 |
| Sony Group Corporation | 13879 |
2 |
| All.space Networks Limited | 53 |
2 |
| Aptiv Technologies AG | 2361 |
2 |
| Samsung Electronics Co., Ltd. | 146534 |
1 |
| LG Electronics Inc. | 73210 |
1 |
| Other owners | 28 |