• 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