- 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: 366
10-year publication summary
|
33
|
29
|
37
|
28
|
34
|
22
|
26
|
21
|
20
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 93172 |
23 |
| Murata Manufacturing Co., Ltd. | 25893 |
19 |
| Texas Instruments Incorporated | 19639 |
11 |
| Realtek Semiconductor Corp. | 3521 |
11 |
| Analog Devices, Inc. | 3321 |
9 |
| Samsung Electronics Co., Ltd. | 158842 |
6 |
| Toshiba Corporation | 12660 |
6 |
| Mediatek Inc. | 5471 |
6 |
| ams AG | 769 |
6 |
| ams International AG | 447 |
6 |
| Skyworks Solutions, Inc. | 3980 |
6 |
| Shenzhen Goodix Technology Co., Ltd. | 2400 |
6 |
| Intel Corporation | 46449 |
5 |
| Infineon Technologies AG | 8418 |
5 |
| Huawei Technologies Co., Ltd. | 124630 |
5 |
| Rohm Co., Ltd. | 6898 |
5 |
| Cirrus Logic International Semiconductor Ltd. | 926 |
5 |
| Omni Design Technologies Inc. | 27 |
5 |
| Digicomm International LLC | 36 |
5 |
| Apple Inc. | 59177 |
4 |
| Other owners | 212 |