- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 1/32 - Non-reciprocal transmission devices
Patent holdings for IPC class H01P 1/32
Total number of patents in this class: 71
10-year publication summary
|
4
|
5
|
4
|
2
|
9
|
5
|
4
|
3
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24575 |
15 |
| TDK Corporation | 6750 |
6 |
| The Boeing Company | 20057 |
4 |
| Mitsubishi Electric Corporation | 46160 |
4 |
| Japan Science and Technology Agency | 1320 |
4 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1774 |
3 |
| The Regents of the University of California | 19943 |
2 |
| Northrop Grumman Systems Corporation | 2934 |
2 |
| National University Corporation Kyoto Institute of Technology | 193 |
2 |
| Trans-tech, Inc. | 31 |
2 |
| Zhejiang Dongyang Dongci Chengji Electronics Co. , Ltd. | 17 |
2 |
| Allumax TTI, LLC | 41 |
2 |
| Hitachi Metals, Ltd. | 1977 |
1 |
| Huawei Technologies Co., Ltd. | 113006 |
1 |
| Raytheon Company | 8387 |
1 |
| The Trustees of Columbia University in the City of New York | 3577 |
1 |
| The Board of Trustees of the University of Illinois | 2695 |
1 |
| 3D Glass Solutions, Inc. | 81 |
1 |
| Aviat Networks, Inc. | 62 |
1 |
| HRL Laboratories, LLC | 1601 |
1 |
| Other owners | 15 |