- 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: 616
10-year publication summary
|
38
|
41
|
44
|
67
|
71
|
46
|
54
|
34
|
15
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 123385 |
38 |
| Skyworks Solutions, Inc. | 3950 |
36 |
| Murata Manufacturing Co., Ltd. | 25744 |
34 |
| Qorvo US, Inc. | 2396 |
26 |
| ZTE Corporation | 44170 |
19 |
| Samsung Electronics Co., Ltd. | 157719 |
13 |
| Telefonaktiebolaget LM Ericsson (publ) | 28758 |
12 |
| Texas Instruments Incorporated | 19672 |
11 |
| Mitsubishi Electric Corporation | 48018 |
11 |
| Lansus Technologies Inc. | 305 |
11 |
| Qualcomm Incorporated | 92196 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 121 |
10 |
| Panasonic Corporation | 19019 |
7 |
| Radrock (Shenzhen) Technology Co., Ltd. | 48 |
7 |
| Intel Corporation | 47106 |
6 |
| Texas Instruments Japan, Ltd. | 1656 |
6 |
| Apple Inc. | 58742 |
5 |
| NEC Corporation | 37004 |
5 |
| Shenzhen Goodix Technology Co., Ltd. | 2391 |
5 |
| STMicroelectronics France | 714 |
5 |
| Other owners | 339 |