- All sections
- H - Electricity
- H01Q - Antennas, i.e. radio aerials
- H01Q 19/18 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
Patent holdings for IPC class H01Q 19/18
Total number of patents in this class: 169
10-year publication summary
10
|
12
|
11
|
19
|
20
|
14
|
19
|
8
|
6
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 46346 |
8 |
Outdoor Wireless Networks LLC | 1977 |
8 |
Huawei Technologies Co., Ltd. | 113491 |
7 |
NEC Corporation | 35879 |
4 |
Raytheon Company | 8387 |
4 |
Lockheed Martin Corporation | 3272 |
4 |
CommScope Technologies LLC | 3242 |
4 |
Kuang-chi Innovative Technology Ltd. | 208 |
4 |
Rogers Corporation | 489 |
4 |
Walmart Apollo, LLC | 6210 |
4 |
3m Innovative Properties Company | 17812 |
3 |
Northrop Grumman Systems Corporation | 2935 |
3 |
Delta Electronics, Inc. | 2633 |
3 |
Thales SA | 2345 |
3 |
Kuang-chi Institute of Advanced Technology | 186 |
3 |
Sea Tel, Inc. | 35 |
3 |
Universite de Rennes 1 | 457 |
3 |
Vivo Mobile Communication Co., Ltd. | 12446 |
3 |
Ubiquiti Inc. | 343 |
3 |
MUFG Union Bank, N.A. | 478 |
3 |
Other owners | 88 |