- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/52 - 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 with tubes only
Patent holdings for IPC class H03F 3/52
Total number of patents in this class: 15
10-year publication summary
|
6
|
2
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cirrus Logic, Inc. | 1719 |
5 |
| Qualcomm Incorporated | 76576 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Micron Technology, Inc. | 24960 |
1 |
| Infineon Technologies AG | 8189 |
1 |
| Mediatek Inc. | 4584 |
1 |
| STMicroelectronics S.r.l. | 3693 |
1 |
| InvenSense, Inc. | 1014 |
1 |
| Marvell Asia PTE, Ltd. | 6841 |
1 |
| Cavium International | 5549 |
1 |
| Avago Technologies International Sales Pte. Limited | 9260 |
1 |
| Other owners | 0 |