- 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: 599
10-year publication summary
|
27
|
38
|
41
|
44
|
67
|
71
|
46
|
53
|
30
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 111975 |
37 |
| Skyworks Solutions, Inc. | 3707 |
36 |
| Murata Manufacturing Co., Ltd. | 24465 |
31 |
| Qorvo US, Inc. | 2205 |
24 |
| ZTE Corporation | 42203 |
19 |
| Telefonaktiebolaget LM Ericsson (publ) | 27855 |
14 |
| Samsung Electronics Co., Ltd. | 145416 |
11 |
| Texas Instruments Incorporated | 19480 |
11 |
| Mitsubishi Electric Corporation | 45962 |
11 |
| Qualcomm Incorporated | 84971 |
10 |
| Lansus Technologies Inc. | 253 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 116 |
10 |
| Panasonic Corporation | 20136 |
7 |
| Radrock (Shenzhen) Technology Co., Ltd. | 64 |
7 |
| Intel Corporation | 46949 |
6 |
| Texas Instruments Japan, Ltd. | 1656 |
6 |
| NEC Corporation | 35521 |
5 |
| STMicroelectronics France | 805 |
5 |
| Apple Inc. | 54658 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42461 |
4 |
| Other owners | 331 |