- 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: 872
10-year publication summary
|
70
|
74
|
96
|
77
|
77
|
51
|
52
|
43
|
26
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25981 |
57 |
| Qualcomm Incorporated | 93712 |
44 |
| Qorvo US, Inc. | 2433 |
41 |
| Mitsubishi Electric Corporation | 48409 |
33 |
| Samsung Electronics Co., Ltd. | 159298 |
29 |
| Telefonaktiebolaget LM Ericsson (publ) | 29000 |
29 |
| Intel Corporation | 46313 |
25 |
| Skyworks Solutions, Inc. | 3989 |
25 |
| NEC Corporation | 37491 |
18 |
| Psemi Corporation | 1086 |
18 |
| NXP USA, Inc. | 4413 |
16 |
| Huawei Technologies Co., Ltd. | 125107 |
15 |
| Ericsson | 23107 |
14 |
| Panasonic Corporation | 18658 |
12 |
| SnapTrack, Inc. | 508 |
11 |
| Thales SA | 2396 |
9 |
| MACOM Technology Solutions Holdings, Inc. | 862 |
9 |
| Quantance, Inc. | 70 |
9 |
| Raytheon Company | 8447 |
8 |
| Apple Inc. | 59354 |
7 |
| Other owners | 443 |