- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/14 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with amplifying devices having more than three electrodes or more than two PN junctions
Patent holdings for IPC class H03F 3/14
Total number of patents in this class: 87
10-year publication summary
|
4
|
3
|
3
|
10
|
7
|
10
|
7
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23702 |
13 |
| Skyworks Solutions, Inc. | 3608 |
9 |
| NXP USA, Inc. | 4221 |
6 |
| Qualcomm Incorporated | 81865 |
5 |
| Toshiba Corporation | 12051 |
4 |
| Ampleon Netherlands B.V. | 100 |
4 |
| Avago Technologies International Sales Pte. Limited | 8928 |
4 |
| Samsung Display Co., Ltd. | 32798 |
2 |
| Micron Technology, Inc. | 25824 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40608 |
2 |
| Raytheon Company | 8444 |
2 |
| Analog Devices, Inc. | 3424 |
2 |
| Gentex Corporation | 1882 |
2 |
| SnapTrack, Inc. | 604 |
2 |
| Sumitomo Electric Device Innovations, Inc. | 420 |
2 |
| Samsung Electronics Co., Ltd. | 139001 |
1 |
| Fujitsu Limited | 18405 |
1 |
| Texas Instruments Incorporated | 19432 |
1 |
| Renesas Electronics Corporation | 6148 |
1 |
| Infineon Technologies AG | 8137 |
1 |
| Other owners | 21 |