- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/19 - High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
Patent holdings for IPC class H03F 3/19
Total number of patents in this class: 2219
10-year publication summary
|
322
|
282
|
289
|
277
|
221
|
179
|
149
|
147
|
87
|
66
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Skyworks Solutions, Inc. | 3710 |
290 |
| Murata Manufacturing Co., Ltd. | 24478 |
257 |
| Qorvo US, Inc. | 2208 |
144 |
| Qualcomm Incorporated | 85094 |
114 |
| Samsung Electronics Co., Ltd. | 145630 |
55 |
| NXP USA, Inc. | 4299 |
47 |
| Apple Inc. | 54714 |
40 |
| Psemi Corporation | 1012 |
38 |
| Huawei Technologies Co., Ltd. | 112134 |
33 |
| Ericsson | 21724 |
31 |
| Lansus Technologies Inc. | 256 |
30 |
| Intel Corporation | 46960 |
29 |
| Samsung Electro-mechanics Co., Ltd. | 5605 |
28 |
| Avago Technologies International Sales Pte. Limited | 8776 |
27 |
| SnapTrack, Inc. | 586 |
26 |
| Texas Instruments Incorporated | 19479 |
24 |
| Mitsubishi Electric Corporation | 45998 |
20 |
| RichWave Technology Corp. | 285 |
20 |
| NEC Corporation | 35567 |
19 |
| Fujitsu Limited | 18341 |
19 |
| Other owners | 928 |