- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 1/17 - Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation
Patent holdings for IPC class H01P 1/17
Total number of patents in this class: 160
10-year publication summary
|
7
|
11
|
26
|
31
|
14
|
11
|
8
|
2
|
5
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ViaSat, Inc. | 1600 |
29 |
| Mitsubishi Electric Corporation | 46295 |
11 |
| Thales SA | 2346 |
7 |
| Raytheon Company | 8385 |
6 |
| The Invention Science Fund I, LLC | 167 |
6 |
| International Business Machines Corporation | 61353 |
5 |
| The Boeing Company | 20098 |
4 |
| Hughes Network Systems, LLC | 1292 |
4 |
| Optim Microwave, Inc. | 15 |
4 |
| Thrane & Thrane A/S | 29 |
4 |
| SWISSto12 SA | 91 |
4 |
| Honeywell International Inc. | 13547 |
3 |
| Lisa Dräxlmaier GmbH | 578 |
3 |
| Rosenberger Hochfrequenztechnik GmbH & Co. KG | 685 |
3 |
| Nokia Shanghai Bell Co., Ltd. | 1875 |
3 |
| Lockheed Martin Corporation | 3275 |
2 |
| Northrop Grumman Systems Corporation | 2935 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6441 |
2 |
| European Space Agency | 191 |
2 |
| Institut National des Sciences Appliquees de Rennes | 69 |
2 |
| Other owners | 54 |