- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 7/075 - Ladder networks, e.g. electric wave filters
Patent holdings for IPC class H03H 7/075
Total number of patents in this class: 256
10-year publication summary
|
25
|
33
|
30
|
22
|
18
|
15
|
23
|
10
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23844 |
159 |
| TDK Corporation | 6568 |
8 |
| Soshin Electric Co., Ltd. | 61 |
4 |
| Mitsubishi Electric Corporation | 45024 |
3 |
| Tokyo Electron Limited | 12166 |
3 |
| Kyocera Corporation | 13418 |
3 |
| Nidec-Read Corporation | 166 |
3 |
| Qualcomm Incorporated | 82510 |
2 |
| General Electric Company | 17793 |
2 |
| The Regents of the University of California | 19608 |
2 |
| The Boeing Company | 19946 |
2 |
| Panasonic Corporation | 20295 |
2 |
| Sumitomo Electric Industries, Ltd. | 15046 |
2 |
| Intel Corporation | 46219 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 29973 |
2 |
| Sumitomo Wiring Systems, Ltd. | 10039 |
2 |
| AutoNetworks Technologies, Ltd. | 6357 |
2 |
| CTM Magnetics, Inc. | 44 |
2 |
| Elmec Corporation | 15 |
2 |
| Morgan Stanley Senior Funding, Inc., AS Agent | 1629 |
2 |
| Other owners | 47 |