- 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: 364
10-year publication summary
|
33
|
29
|
35
|
27
|
34
|
22
|
26
|
20
|
20
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 89620 |
23 |
| Murata Manufacturing Co., Ltd. | 25398 |
17 |
| Texas Instruments Incorporated | 19595 |
10 |
| Realtek Semiconductor Corp. | 3409 |
10 |
| Analog Devices, Inc. | 3345 |
9 |
| Samsung Electronics Co., Ltd. | 152716 |
6 |
| Toshiba Corporation | 12708 |
6 |
| Mediatek Inc. | 5348 |
6 |
| ams AG | 766 |
6 |
| ams International AG | 443 |
6 |
| Skyworks Solutions, Inc. | 3878 |
6 |
| Shenzhen Goodix Technology Co., Ltd. | 2354 |
6 |
| Intel Corporation | 46680 |
5 |
| Infineon Technologies AG | 8360 |
5 |
| Rohm Co., Ltd. | 6718 |
5 |
| Cirrus Logic International Semiconductor Ltd. | 914 |
5 |
| Omni Design Technologies Inc. | 27 |
5 |
| Digicomm International LLC | 37 |
5 |
| Apple Inc. | 57718 |
4 |
| Huawei Technologies Co., Ltd. | 119240 |
4 |
| Other owners | 215 |