- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/21 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
Patent holdings for IPC class H03F 3/21
Total number of patents in this class: 2802
10-year publication summary
|
348
|
289
|
325
|
336
|
347
|
234
|
198
|
194
|
180
|
8
|
| 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 |
359 |
| Skyworks Solutions, Inc. | 3608 |
269 |
| Qorvo US, Inc. | 2140 |
147 |
| Qualcomm Incorporated | 81865 |
128 |
| NXP USA, Inc. | 4221 |
116 |
| Psemi Corporation | 953 |
87 |
| Samsung Electronics Co., Ltd. | 139001 |
68 |
| Samsung Electro-mechanics Co., Ltd. | 5206 |
49 |
| MACOM Technology Solutions Holdings, Inc. | 808 |
47 |
| Texas Instruments Incorporated | 19432 |
45 |
| Mitsubishi Electric Corporation | 44851 |
43 |
| Intel Corporation | 46126 |
42 |
| Ericsson | 21144 |
40 |
| Lansus Technologies Inc. | 241 |
32 |
| Avago Technologies International Sales Pte. Limited | 8928 |
31 |
| Huawei Technologies Co., Ltd. | 106762 |
30 |
| Mediatek Inc. | 4813 |
29 |
| Toshiba Corporation | 12051 |
26 |
| Infineon Technologies AG | 8137 |
26 |
| SnapTrack, Inc. | 604 |
26 |
| Other owners | 1162 |