- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 9/56 - Monolithic crystal filters
Patent holdings for IPC class H03H 9/56
Total number of patents in this class: 861
10-year publication summary
|
30
|
39
|
54
|
80
|
84
|
105
|
175
|
120
|
78
|
49
|
| 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 |
317 |
| Skyworks Solutions, Inc. | 3645 |
62 |
| Taiyo Yuden Co., Ltd. | 1906 |
47 |
| Skyworks Global Pte. Ltd | 86 |
43 |
| Akoustis, Inc. | 164 |
40 |
| QXONIX Inc. | 35 |
22 |
| Rf360 Singapore Pte. Ltd. | 166 |
22 |
| Qorvo US, Inc. | 2173 |
21 |
| Samsung Electro-mechanics Co., Ltd. | 5384 |
20 |
| SnapTrack, Inc. | 592 |
20 |
| RF360 Europe GmbH | 150 |
20 |
| Intel Corporation | 46613 |
16 |
| Qualcomm Incorporated | 83671 |
11 |
| Resonant Inc. | 52 |
10 |
| ROFS Microsystem (Tianjin) Co., Ltd | 214 |
10 |
| VTT Technical Research Centre of Finland Ltd. | 35 |
8 |
| Avago Technologies International Sales Pte. Limited | 8884 |
8 |
| Samsung Electronics Co., Ltd. | 142415 |
7 |
| Huawei Technologies Co., Ltd. | 109418 |
6 |
| Epcos AG | 714 |
6 |
| Other owners | 145 |