- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/189 - High-frequency amplifiers, e.g. radio frequency amplifiers
Patent holdings for IPC class H03F 3/189
Total number of patents in this class: 825
10-year publication summary
|
77
|
60
|
70
|
74
|
96
|
77
|
77
|
51
|
50
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
55 |
| Qualcomm Incorporated | 76576 |
39 |
| Qorvo US, Inc. | 2018 |
34 |
| Mitsubishi Electric Corporation | 43934 |
32 |
| Intel Corporation | 45621 |
26 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
24 |
| Samsung Electronics Co., Ltd. | 131630 |
23 |
| Skyworks Solutions, Inc. | 3450 |
22 |
| NEC Corporation | 32703 |
20 |
| NXP USA, Inc. | 4155 |
16 |
| Panasonic Corporation | 20786 |
14 |
| Ericsson | 20417 |
14 |
| Huawei Technologies Co., Ltd. | 100781 |
14 |
| Psemi Corporation | 898 |
14 |
| General Electric Company | 18133 |
11 |
| SnapTrack, Inc. | 650 |
11 |
| MACOM Technology Solutions Holdings, Inc. | 784 |
9 |
| Quantance, Inc. | 81 |
9 |
| Raytheon Company | 8535 |
8 |
| Apple Inc. | 50209 |
7 |
| Other owners | 423 |