- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/20 - Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
Patent holdings for IPC class H03F 3/20
Total number of patents in this class: 604
10-year publication summary
|
23
|
38
|
40
|
44
|
64
|
69
|
45
|
52
|
30
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 113689 |
37 |
| Skyworks Solutions, Inc. | 3750 |
36 |
| Murata Manufacturing Co., Ltd. | 24713 |
31 |
| Qorvo US, Inc. | 2236 |
24 |
| ZTE Corporation | 42693 |
19 |
| Telefonaktiebolaget LM Ericsson (publ) | 28219 |
14 |
| Samsung Electronics Co., Ltd. | 147501 |
11 |
| Texas Instruments Incorporated | 19455 |
11 |
| Mitsubishi Electric Corporation | 46397 |
11 |
| Qualcomm Incorporated | 86346 |
10 |
| Lansus Technologies Inc. | 261 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 116 |
10 |
| Panasonic Corporation | 20050 |
7 |
| Radrock (Shenzhen) Technology Co., Ltd. | 48 |
7 |
| Intel Corporation | 47143 |
6 |
| Texas Instruments Japan, Ltd. | 1656 |
6 |
| NEC Corporation | 35935 |
5 |
| STMicroelectronics France | 791 |
5 |
| Apple Inc. | 55387 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43258 |
4 |
| Other owners | 336 |