- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- H03H 9/70 - Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common or source
Patent holdings for IPC class H03H 9/70
Total number of patents in this class: 692
10-year publication summary
|
45
|
60
|
57
|
89
|
70
|
49
|
55
|
44
|
26
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23702 |
232 |
| Taiyo Yuden Co., Ltd. | 1887 |
119 |
| Skyworks Solutions, Inc. | 3608 |
55 |
| SnapTrack, Inc. | 604 |
43 |
| Skyworks Global Pte. Ltd | 80 |
19 |
| Epcos AG | 732 |
17 |
| Qorvo US, Inc. | 2140 |
17 |
| Avago Technologies International Sales Pte. Limited | 8928 |
17 |
| ROFS Microsystem (Tianjin) Co., Ltd | 214 |
17 |
| Skyworks Filter Solutions Japan Co., Ltd. | 125 |
13 |
| RF360 Europe GmbH | 150 |
13 |
| Samsung Electronics Co., Ltd. | 139001 |
10 |
| Infineon Technologies AG | 8137 |
10 |
| Akoustis, Inc. | 163 |
10 |
| Psemi Corporation | 953 |
8 |
| Rf360 Singapore Pte. Ltd. | 151 |
6 |
| Qualcomm Incorporated | 81865 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 5206 |
5 |
| TDK Corporation | 6539 |
4 |
| Kyocera Corporation | 13344 |
4 |
| Other owners | 68 |