- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/00 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
Patent holdings for IPC class H03F 3/00
Total number of patents in this class: 355
10-year publication summary
|
23
|
33
|
29
|
35
|
27
|
34
|
22
|
26
|
18
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 86346 |
23 |
| Murata Manufacturing Co., Ltd. | 24713 |
13 |
| Texas Instruments Incorporated | 19455 |
10 |
| Realtek Semiconductor Corp. | 3305 |
10 |
| Analog Devices, Inc. | 3368 |
9 |
| Samsung Electronics Co., Ltd. | 147501 |
6 |
| Toshiba Corporation | 12472 |
6 |
| Mediatek Inc. | 5156 |
6 |
| ams AG | 773 |
6 |
| ams International AG | 430 |
6 |
| Skyworks Solutions, Inc. | 3750 |
6 |
| Shenzhen Goodix Technology Co., Ltd. | 2313 |
6 |
| Rohm Co., Ltd. | 6480 |
5 |
| Omni Design Technologies Inc. | 22 |
5 |
| Digicomm International LLC | 37 |
5 |
| Intel Corporation | 47143 |
4 |
| Huawei Technologies Co., Ltd. | 113689 |
4 |
| Cirrus Logic International Semiconductor Ltd. | 885 |
4 |
| Microchip Technology Incorporated | 2901 |
4 |
| Novelda AS | 46 |
4 |
| Other owners | 213 |