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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: 248
10-year publication summary
|
28
|
16
|
27
|
14
|
16
|
8
|
6
|
7
|
6
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25847 |
42 |
| Skyworks Solutions, Inc. | 3969 |
14 |
| Qualcomm Incorporated | 93006 |
10 |
| Qorvo US, Inc. | 2410 |
9 |
| SnapTrack, Inc. | 512 |
9 |
| The Regents of the University of California | 20842 |
6 |
| ROFS Microsystem (Tianjin) Co., Ltd | 216 |
6 |
| King Abdullah University of Science and Technology | 1867 |
5 |
| Resonant Inc. | 47 |
5 |
| National Technology & Engineering Solutions of Sandia, LLC | 1957 |
5 |
| Robert Bosch GmbH | 44252 |
4 |
| Huawei Technologies Co., Ltd. | 124379 |
4 |
| Harris Corporation | 1265 |
4 |
| Samsung Electronics Co., Ltd. | 158605 |
3 |
| Apple Inc. | 59117 |
3 |
| Qualcomm Mems Technologies, Inc. | 585 |
3 |
| International Business Machines Corporation | 62754 |
3 |
| Intel Corporation | 47162 |
3 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1614 |
3 |
| SiTime Inc. | 7 |
3 |
| Other owners | 104 |