- 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: 1117
10-year publication summary
|
78
|
79
|
58
|
54
|
99
|
48
|
63
|
50
|
31
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24342 |
90 |
| Skyworks Solutions, Inc. | 3701 |
77 |
| Qorvo US, Inc. | 2194 |
58 |
| Texas Instruments Incorporated | 19487 |
51 |
| Qualcomm Incorporated | 84501 |
40 |
| Avago Technologies International Sales Pte. Limited | 8835 |
22 |
| Samsung Electronics Co., Ltd. | 144143 |
20 |
| Samsung Electro-mechanics Co., Ltd. | 5512 |
20 |
| Mediatek Inc. | 5050 |
20 |
| Cirrus Logic, Inc. | 1770 |
20 |
| RichWave Technology Corp. | 285 |
19 |
| NXP USA, Inc. | 4273 |
18 |
| Realtek Semiconductor Corp. | 3271 |
17 |
| Psemi Corporation | 989 |
17 |
| Intel Corporation | 46699 |
15 |
| Raytheon Company | 8388 |
15 |
| Analog Devices, Inc. | 3391 |
13 |
| Cirrus Logic International Semiconductor Ltd. | 858 |
12 |
| Marvell Asia PTE, Ltd. | 6555 |
11 |
| Cavium International | 5080 |
11 |
| Other owners | 551 |