- 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: 337
10-year publication summary
|
35
|
23
|
33
|
29
|
37
|
27
|
34
|
22
|
22
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
20 |
| Texas Instruments Incorporated | 19376 |
10 |
| Analog Devices, Inc. | 3475 |
8 |
| Realtek Semiconductor Corp. | 3028 |
7 |
| Shenzhen Goodix Technology Co., Ltd. | 2241 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Toshiba Corporation | 12017 |
6 |
| Mediatek Inc. | 4584 |
6 |
| ams AG | 807 |
6 |
| ams International AG | 399 |
6 |
| Skyworks Solutions, Inc. | 3450 |
6 |
| Eta Devices, Inc. | 27 |
5 |
| Omni Design Technologies Inc. | 21 |
5 |
| Analog Devices International Unlimited Company | 1724 |
5 |
| Digicomm International LLC | 39 |
5 |
| Intel Corporation | 45621 |
4 |
| Huawei Technologies Co., Ltd. | 100781 |
4 |
| Rohm Co., Ltd. | 5843 |
4 |
| Novelda AS | 42 |
4 |
| Qorvo US, Inc. | 2018 |
4 |
| Other owners | 209 |