- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 7/12 - Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
Patent holdings for IPC class H03H 7/12
Total number of patents in this class: 205
10-year publication summary
|
17
|
17
|
21
|
26
|
17
|
10
|
12
|
10
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23881 |
58 |
| Infineon Technologies AG | 8142 |
11 |
| Psemi Corporation | 964 |
7 |
| TDK Corporation | 6573 |
4 |
| Qualcomm Incorporated | 82614 |
3 |
| International Business Machines Corporation | 60336 |
3 |
| Intel Corporation | 46241 |
3 |
| Huawei Technologies Co., Ltd. | 107770 |
3 |
| Rockwell Collins, Inc. | 2461 |
3 |
| National Taiwan University | 1180 |
3 |
| Resonant Inc. | 52 |
3 |
| Fujitsu Limited | 18413 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2731 |
2 |
| Cirrus Logic, Inc. | 1746 |
2 |
| Nokia Technologies Oy | 16930 |
2 |
| Associated Universities, Inc. | 44 |
2 |
| CommScope Italy S.r.l. | 54 |
2 |
| Hittite Microwave LLC | 64 |
2 |
| Innophase Inc. | 99 |
2 |
| KMW Inc. | 696 |
2 |
| Other owners | 86 |