- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 5/19 - Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
Patent holdings for IPC class H01P 5/19
Total number of patents in this class: 151
10-year publication summary
|
9
|
16
|
19
|
23
|
11
|
12
|
19
|
11
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45962 |
8 |
| Murata Manufacturing Co., Ltd. | 24465 |
8 |
| Raytheon Company | 8396 |
6 |
| International Business Machines Corporation | 61207 |
4 |
| AT&T Intellectual Property I, L.P. | 9499 |
4 |
| Huawei Technologies Co., Ltd. | 111975 |
4 |
| Toshiba Corporation | 12320 |
3 |
| Hitachi Kokusai Electric Inc. | 881 |
3 |
| Qorvo US, Inc. | 2205 |
3 |
| Sony Semiconductor Solutions Corporation | 10390 |
3 |
| ViaSat, Inc. | 1596 |
3 |
| Kokusai Denki Electric Inc. | 141 |
3 |
| NEC Corporation | 35521 |
2 |
| Electronics and Telecommunications Research Institute | 9367 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
2 |
| Thales SA | 2337 |
2 |
| Fujikura Ltd. | 2921 |
2 |
| CACI, Inc. - Federal | 78 |
2 |
| Centre National d'Etudes Spatiales | 405 |
2 |
| Dockon AG | 44 |
2 |
| Other owners | 83 |