- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 7/52 - One-way transmission networks, i.e. unilines
Patent holdings for IPC class H03H 7/52
Total number of patents in this class: 40
10-year publication summary
|
5
|
6
|
4
|
7
|
2
|
2
|
1
|
3
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25809 |
5 |
| Ericsson | 22880 |
3 |
| Northrop Grumman Systems Corporation | 2912 |
2 |
| Advanced Energy Industries, Inc. | 477 |
2 |
| HRL Laboratories, LLC | 1629 |
2 |
| Avago Technologies International Sales Pte. Limited | 8534 |
2 |
| ANI Acquisition Sub, LLC | 482 |
2 |
| The Regents of the University of California | 20815 |
1 |
| International Business Machines Corporation | 62748 |
1 |
| NEC Corporation | 37168 |
1 |
| Sumitomo Electric Industries, Ltd. | 16448 |
1 |
| Hitachi Kokusai Electric Inc. | 830 |
1 |
| Epcos AG | 638 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
1 |
| Board of Regents, The University of Texas System | 6141 |
1 |
| The Trustees of Columbia University in the City of New York | 3644 |
1 |
| Asustek Computer Inc. | 1905 |
1 |
| 3D Glass Solutions, Inc. | 85 |
1 |
| Mitsubishi Electric Engineering Company, Limited | 190 |
1 |
| Northeastern University | 1300 |
1 |
| Other owners | 9 |