- 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: 146
10-year publication summary
|
13
|
15
|
16
|
21
|
7
|
10
|
7
|
7
|
7
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37491 |
5 |
| Robert Bosch GmbH | 44363 |
5 |
| Huawei Technologies Co., Ltd. | 125107 |
5 |
| Murata Manufacturing Co., Ltd. | 25981 |
5 |
| The Regents of the University of California | 20924 |
4 |
| Harris Corporation | 1257 |
4 |
| Outdoor Wireless Networks LLC | 2148 |
4 |
| Mitsubishi Electric Corporation | 48409 |
3 |
| Raytheon Company | 8447 |
3 |
| Kyocera Corporation | 14479 |
3 |
| Sommetrics, Inc. | 43 |
3 |
| L3Harris Technologies, Inc. | 357 |
3 |
| Nanning Fulian Fugui Precision Industrial Co., Ltd. | 148 |
3 |
| Quantum Wave, LLC | 75 |
3 |
| Apple Inc. | 59354 |
2 |
| International Business Machines Corporation | 62847 |
2 |
| Honeywell International Inc. | 12767 |
2 |
| The Trustees of Columbia University in the City of New York | 3657 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5297 |
2 |
| Advantest Corporation | 1666 |
2 |
| Other owners | 81 |