- 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: 618
10-year publication summary
|
38
|
40
|
44
|
64
|
69
|
45
|
53
|
33
|
15
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 119891 |
38 |
| Skyworks Solutions, Inc. | 3884 |
36 |
| Murata Manufacturing Co., Ltd. | 25506 |
34 |
| Qorvo US, Inc. | 2363 |
25 |
| ZTE Corporation | 43576 |
19 |
| Telefonaktiebolaget LM Ericsson (publ) | 28615 |
14 |
| Samsung Electronics Co., Ltd. | 153573 |
12 |
| Texas Instruments Incorporated | 19615 |
11 |
| Mitsubishi Electric Corporation | 47556 |
11 |
| Lansus Technologies Inc. | 282 |
11 |
| Qualcomm Incorporated | 90109 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 121 |
10 |
| Panasonic Corporation | 19680 |
7 |
| Radrock (Shenzhen) Technology Co., Ltd. | 48 |
7 |
| Intel Corporation | 46638 |
6 |
| Texas Instruments Japan, Ltd. | 1656 |
6 |
| Apple Inc. | 58049 |
5 |
| NEC Corporation | 36611 |
5 |
| Shenzhen Goodix Technology Co., Ltd. | 2366 |
5 |
| STMicroelectronics France | 742 |
5 |
| Other owners | 341 |