- 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 |