- 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: 714
10-year publication summary
|
43
|
60
|
57
|
89
|
70
|
49
|
55
|
47
|
26
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25001 |
238 |
| Taiyo Yuden Co., Ltd. | 1987 |
118 |
| Skyworks Solutions, Inc. | 3810 |
59 |
| SnapTrack, Inc. | 552 |
43 |
| Qorvo US, Inc. | 2289 |
21 |
| Skyworks Global Pte. Ltd | 121 |
21 |
| Epcos AG | 675 |
17 |
| ROFS Microsystem (Tianjin) Co., Ltd | 214 |
17 |
| Avago Technologies International Sales Pte. Limited | 8663 |
16 |
| RF360 Europe GmbH | 150 |
13 |
| Skyworks Filter Solutions Japan Co., Ltd. | 122 |
12 |
| Infineon Technologies AG | 8287 |
10 |
| Samsung Electronics Co., Ltd. | 149087 |
9 |
| Psemi Corporation | 1048 |
9 |
| Akoustis Technologies Corp. | 129 |
7 |
| Tune Holdings Corp. | 120 |
7 |
| Rf360 Singapore Pte. Ltd. | 196 |
6 |
| Qualcomm Incorporated | 87585 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 5693 |
5 |
| TDK Corporation | 6743 |
4 |
| Other owners | 77 |