- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/04 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
Patent holdings for IPC class H03F 3/04
Total number of patents in this class: 1098
10-year publication summary
|
79
|
58
|
54
|
96
|
47
|
66
|
54
|
33
|
27
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25398 |
91 |
| Skyworks Solutions, Inc. | 3878 |
76 |
| Qorvo US, Inc. | 2354 |
57 |
| Texas Instruments Incorporated | 19595 |
50 |
| Qualcomm Incorporated | 89620 |
40 |
| Cirrus Logic, Inc. | 1791 |
22 |
| Avago Technologies International Sales Pte. Limited | 8620 |
22 |
| Samsung Electronics Co., Ltd. | 152716 |
20 |
| Samsung Electro-mechanics Co., Ltd. | 5798 |
20 |
| Mediatek Inc. | 5348 |
20 |
| Realtek Semiconductor Corp. | 3409 |
18 |
| RichWave Technology Corp. | 290 |
18 |
| NXP USA, Inc. | 4416 |
18 |
| Psemi Corporation | 1081 |
17 |
| Raytheon Company | 8479 |
15 |
| Intel Corporation | 46680 |
14 |
| Cirrus Logic International Semiconductor Ltd. | 914 |
13 |
| Toshiba Corporation | 12708 |
11 |
| Analog Devices, Inc. | 3345 |
11 |
| Fujitsu Limited | 17211 |
10 |
| Other owners | 535 |