- All sections
- H - Electricity
- H01P - Waveguidesresonators, lines or other devices of the waveguide type
- H01P 1/387 - Strip line circulators
Patent holdings for IPC class H01P 1/387
Total number of patents in this class: 125
10-year publication summary
|
14
|
15
|
14
|
17
|
9
|
11
|
7
|
8
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Skyworks Solutions, Inc. | 3608 |
19 |
| Raytheon Company | 8444 |
13 |
| Murata Manufacturing Co., Ltd. | 23702 |
11 |
| Mitsubishi Electric Corporation | 44851 |
9 |
| TDK Corporation | 6539 |
8 |
| Shenzhen Huayang Technology Development Co., Ltd | 15 |
6 |
| NEC Corporation | 34413 |
4 |
| Qorvo US, Inc. | 2140 |
4 |
| Trak Microwave Limited | 7 |
4 |
| The Boeing Company | 19911 |
3 |
| Hitachi Metals, Ltd. | 2021 |
3 |
| Northrop Grumman Systems Corporation | 2921 |
3 |
| Mercury Systems, Inc. | 95 |
3 |
| Allumax TTI, LLC | 41 |
3 |
| The Regents of the University of California | 19517 |
2 |
| International Business Machines Corporation | 60129 |
2 |
| ZTE Corporation | 41061 |
2 |
| The Board of Trustees of the University of Illinois | 2666 |
2 |
| Honeywell International Inc. | 14021 |
1 |
| Intel Corporation | 46126 |
1 |
| Other owners | 22 |