- 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: 153
10-year publication summary
|
15
|
11
|
25
|
7
|
17
|
8
|
8
|
8
|
12
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84847 |
10 |
| Mediatek Inc. | 5091 |
7 |
| Texas Instruments Incorporated | 19494 |
5 |
| Analog Devices, Inc. | 3384 |
5 |
| Qorvo US, Inc. | 2203 |
5 |
| Murata Manufacturing Co., Ltd. | 24444 |
3 |
| Cirrus Logic, Inc. | 1769 |
3 |
| Morgan Stanley Senior Funding, Inc., AS Agent | 1595 |
3 |
| Skyworks Solutions, Inc. | 3708 |
3 |
| Spreadtrum Communications USA Inc. | 36 |
3 |
| Intel Corporation | 46893 |
2 |
| Fujitsu Limited | 18348 |
2 |
| Micron Technology, Inc. | 26209 |
2 |
| Renesas Electronics Corporation | 6046 |
2 |
| Infineon Technologies AG | 8209 |
2 |
| Huawei Technologies Co., Ltd. | 111764 |
2 |
| TDK Corporation | 6702 |
2 |
| NPX B.V. | 2535 |
2 |
| STMicroelectronics S.r.l. | 3621 |
2 |
| Epsiline | 12 |
2 |
| Other owners | 86 |