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- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 9/46 - Filters
Patent holdings for IPC class H03H 9/46
Total number of patents in this class: 250
10-year publication summary
|
23
|
28
|
16
|
27
|
14
|
16
|
8
|
6
|
4
|
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. | 24144 |
41 |
| Skyworks Solutions, Inc. | 3645 |
13 |
| SnapTrack, Inc. | 592 |
10 |
| Qualcomm Incorporated | 83671 |
9 |
| Robert Bosch GmbH | 42222 |
9 |
| Qorvo US, Inc. | 2173 |
8 |
| The Regents of the University of California | 19705 |
6 |
| ROFS Microsystem (Tianjin) Co., Ltd | 214 |
6 |
| King Abdullah University of Science and Technology | 1765 |
5 |
| Resonant Inc. | 52 |
5 |
| National Technology & Engineering Solutions of Sandia, LLC | 1884 |
5 |
| Harris Corporation | 1448 |
4 |
| Kolo Medical (Suzhou) Co., Ltd. | 48 |
4 |
| Samsung Electronics Co., Ltd. | 142415 |
3 |
| Apple Inc. | 53995 |
3 |
| Qualcomm Mems Technologies, Inc. | 628 |
3 |
| International Business Machines Corporation | 60649 |
3 |
| Intel Corporation | 46613 |
3 |
| Huawei Technologies Co., Ltd. | 109418 |
3 |
| Akoustis, Inc. | 164 |
3 |
| Other owners | 104 |