- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/50 - Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
Patent holdings for IPC class H03F 3/50
Total number of patents in this class: 159
10-year publication summary
|
11
|
25
|
7
|
17
|
8
|
8
|
8
|
12
|
5
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 91997 |
14 |
| Mediatek Inc. | 5316 |
7 |
| Texas Instruments Incorporated | 19663 |
6 |
| Qorvo US, Inc. | 2394 |
5 |
| Analog Devices, Inc. | 3321 |
4 |
| Murata Manufacturing Co., Ltd. | 25722 |
3 |
| Cirrus Logic, Inc. | 1803 |
3 |
| Morgan Stanley Senior Funding, Inc., AS Agent | 1433 |
3 |
| Skyworks Solutions, Inc. | 3947 |
3 |
| Spreadtrum Communications USA Inc. | 36 |
3 |
| Intel Corporation | 47102 |
2 |
| Fujitsu Limited | 16862 |
2 |
| Micron Technology, Inc. | 27626 |
2 |
| Renesas Electronics Corporation | 5879 |
2 |
| Infineon Technologies AG | 8400 |
2 |
| Huawei Technologies Co., Ltd. | 123282 |
2 |
| Raytheon Company | 8457 |
2 |
| NPX B.V. | 2816 |
2 |
| STMicroelectronics S.r.l. | 3378 |
2 |
| Epsiline | 12 |
2 |
| Other owners | 88 |