- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 5/22 - Hybrid ring junctions
Patent holdings for IPC class H01P 5/22
Total number of patents in this class: 130
10-year publication summary
|
2
|
11
|
15
|
15
|
21
|
7
|
10
|
6
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36257 |
5 |
| Huawei Technologies Co., Ltd. | 115827 |
5 |
| Murata Manufacturing Co., Ltd. | 25001 |
5 |
| The Regents of the University of California | 20289 |
4 |
| Harris Corporation | 1381 |
4 |
| Outdoor Wireless Networks LLC | 2039 |
4 |
| Robert Bosch GmbH | 43063 |
3 |
| Mitsubishi Electric Corporation | 46926 |
3 |
| Raytheon Company | 8445 |
3 |
| Kyocera Corporation | 14083 |
3 |
| Sommetrics, Inc. | 43 |
3 |
| L3Harris Technologies, Inc. | 315 |
3 |
| Quantum Wave, LLC | 75 |
3 |
| International Business Machines Corporation | 61721 |
2 |
| Honeywell International Inc. | 13568 |
2 |
| The Trustees of Columbia University in the City of New York | 3606 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5062 |
2 |
| Advantest Corporation | 1770 |
2 |
| GLOBALFOUNDRIES U.S. Inc. | 6418 |
2 |
| RF Controls, LLC | 19 |
2 |
| Other owners | 68 |