• All sections
  • H - Electricity
  • H01Q - Antennas, i.e. radio aerials
  • H01Q 13/28 - Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements or conductive elements forming artificial dielectric

Patent holdings for IPC class H01Q 13/28

Total number of patents in this class: 178

10-year publication summary

19
9
21
18
19
17
6
8
11
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
AT&T Intellectual Property I, L.P.
9886
12
The Boeing Company
19843
8
The Invention Science Fund I, LLC
189
7
Huawei Technologies Co., Ltd.
100781
5
Conti Temic microelectronic GmbH
951
5
ViaSat, Inc.
1508
5
NEC Corporation
32703
4
Raytheon Company
8535
4
Echodyne Corp.
30
4
Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO
2362
4
Thinkom Solutions, Inc.
57
4
Denso Corporation
23338
3
Panasonic Intellectual Property Management Co., Ltd.
27812
3
Searete LLC
341
3
HRL Laboratories, LLC
1588
3
Oxbridge Pulsar Sources Limited
6
3
Samsung Electronics Co., Ltd.
131630
2
GM Global Technology Operations LLC
13620
2
Thales SA
2318
2
AMI Research & Development, LLC
39
2
Other owners 93