- 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: 563
10-year publication summary
|
29
|
27
|
38
|
41
|
44
|
65
|
71
|
43
|
48
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
36 |
| Skyworks Solutions, Inc. | 3450 |
33 |
| Murata Manufacturing Co., Ltd. | 22355 |
29 |
| Qorvo US, Inc. | 2018 |
20 |
| ZTE Corporation | 39218 |
18 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
14 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Texas Instruments Incorporated | 19376 |
11 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 109 |
10 |
| Qualcomm Incorporated | 76576 |
9 |
| Panasonic Corporation | 20786 |
7 |
| Lansus Technologies Inc. | 160 |
7 |
| Radrock (Shenzhen) Technology Co., Ltd. | 46 |
7 |
| Intel Corporation | 45621 |
6 |
| Texas Instruments Japan, Ltd. | 1656 |
6 |
| NEC Corporation | 32703 |
5 |
| STMicroelectronics France | 826 |
5 |
| Yamaha Corporation | 4054 |
4 |
| Cirrus Logic, Inc. | 1719 |
4 |
| Other owners | 311 |