- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 15/18 - Reflecting surfacesEquivalent structures comprising plurality of mutually inclined plane surfaces, e.g. corner reflector
Patent holdings for IPC class H01Q 15/18
Total number of patents in this class: 137
10-year publication summary
|
13
|
18
|
14
|
11
|
14
|
17
|
7
|
12
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Matsing Inc. | 75 |
11 |
| NEC Corporation | 36733 |
7 |
| Huawei Technologies Co., Ltd. | 120888 |
7 |
| 3m Innovative Properties Company | 17507 |
4 |
| Denso Corporation | 25283 |
4 |
| Apple Inc. | 58208 |
3 |
| Hitachi Rail GTS Canada Inc. | 84 |
3 |
| Robert Bosch GmbH | 43700 |
2 |
| Electronics and Telecommunications Research Institute | 9553 |
2 |
| Lockheed Martin Corporation | 3280 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2846 |
2 |
| BAE SYSTEMS plc | 2460 |
2 |
| IHI Aerospace Co., Ltd. | 116 |
2 |
| RF DSP Inc. | 38 |
2 |
| SRG Global Inc. | 31 |
2 |
| Thales Alenia Space Italia S.p.A. Con Unico Socio | 95 |
2 |
| ICEYE Oy | 126 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 28660 |
2 |
| Alps Alpine Co., Ltd. | 2244 |
2 |
| Sony Group Corporation | 15263 |
2 |
| Other owners | 72 |