- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 1/209 - Hollow waveguide filters comprising one or more branching arms or cavities wholly outside the main waveguide
Patent holdings for IPC class H01P 1/209
Total number of patents in this class: 24
10-year publication summary
|
1
|
1
|
3
|
1
|
5
|
0
|
4
|
1
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 34413 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 27416 |
3 |
| Ericsson | 21144 |
2 |
| Lockheed Martin Corporation | 3307 |
2 |
| Fujitsu Limited | 18405 |
1 |
| Murata Manufacturing Co., Ltd. | 23702 |
1 |
| Nippon Telegraph and Telephone Corporation | 16332 |
1 |
| Fujikura Ltd. | 2861 |
1 |
| Furuno Electric Co., Ltd. | 905 |
1 |
| Gemtek Technology Co., Ltd. | 68 |
1 |
| Inter-university Research Institute Corporation National Institutes of Natural Sciences | 153 |
1 |
| Pro Brand International (Europe) Limited | 6 |
1 |
| Universal Microwave Technology, Inc. | 12 |
1 |
| The University of Chicago | 1360 |
1 |
| Thales | 1838 |
1 |
| Sweden Quantum AB | 1 |
1 |
| Aptiv Technologies AG | 2305 |
1 |
| Other owners | 0 |