- 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
|
2
|
2
|
12
|
9
|
12
|
11
|
4
|
8
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vasant Limited | 7 |
5 |
| Huawei Technologies Co., Ltd. | 124630 |
4 |
| Raytheon Company | 8443 |
3 |
| Hamamatsu Photonics K.K. | 4703 |
3 |
| The Florida International University Board of Trustees | 681 |
3 |
| Ibaraki University | 58 |
3 |
| Qualcomm Incorporated | 93172 |
2 |
| Duke University | 3182 |
2 |
| University of South Florida | 1905 |
2 |
| National University Corporation Tokyo University of Agriculture and Technology | 343 |
2 |
| National University of Singapore | 2602 |
2 |
| The United States of America as represented by the Secretary of the Air Force | 933 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 28880 |
2 |
| Sony Europe B.V. | 1226 |
2 |
| Sony Group Corporation | 15934 |
2 |
| All.space Networks Limited | 54 |
2 |
| Aptiv Technologies AG | 2322 |
2 |
| Samsung Electronics Co., Ltd. | 158842 |
1 |
| LG Electronics Inc. | 75973 |
1 |
| The Boeing Company | 20197 |
1 |
| Other owners | 28 |