- 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: 598
10-year publication summary
27
|
38
|
41
|
44
|
67
|
71
|
46
|
52
|
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. | 111764 |
37 |
Skyworks Solutions, Inc. | 3708 |
36 |
Murata Manufacturing Co., Ltd. | 24444 |
30 |
Qorvo US, Inc. | 2203 |
24 |
ZTE Corporation | 42146 |
19 |
Telefonaktiebolaget LM Ericsson (publ) | 27858 |
14 |
Samsung Electronics Co., Ltd. | 145025 |
11 |
Texas Instruments Incorporated | 19494 |
11 |
Mitsubishi Electric Corporation | 45946 |
11 |
Qualcomm Incorporated | 84847 |
10 |
Lansus Technologies Inc. | 253 |
10 |
Smarter Microelectronics (guang Zhou) Co., Ltd. | 116 |
10 |
Panasonic Corporation | 20142 |
7 |
Radrock (Shenzhen) Technology Co., Ltd. | 64 |
7 |
Intel Corporation | 46893 |
6 |
Texas Instruments Japan, Ltd. | 1656 |
6 |
NEC Corporation | 35509 |
5 |
STMicroelectronics France | 809 |
5 |
Apple Inc. | 54610 |
4 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42389 |
4 |
Other owners | 331 |