- 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: 1089
10-year publication summary
|
79
|
58
|
54
|
99
|
48
|
67
|
57
|
34
|
26
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25809 |
89 |
| Skyworks Solutions, Inc. | 3965 |
78 |
| Qorvo US, Inc. | 2405 |
56 |
| Texas Instruments Incorporated | 19640 |
49 |
| Qualcomm Incorporated | 92859 |
40 |
| Cirrus Logic, Inc. | 1803 |
22 |
| Avago Technologies International Sales Pte. Limited | 8534 |
22 |
| Samsung Electro-mechanics Co., Ltd. | 6126 |
20 |
| Realtek Semiconductor Corp. | 3513 |
20 |
| Samsung Electronics Co., Ltd. | 158442 |
18 |
| Mediatek Inc. | 5379 |
18 |
| RichWave Technology Corp. | 311 |
18 |
| NXP USA, Inc. | 4406 |
18 |
| Psemi Corporation | 1086 |
17 |
| Raytheon Company | 8436 |
15 |
| Cirrus Logic International Semiconductor Ltd. | 924 |
15 |
| Intel Corporation | 47178 |
14 |
| Toshiba Corporation | 12594 |
11 |
| Analog Devices, Inc. | 3320 |
11 |
| Fujitsu Limited | 16854 |
10 |
| Other owners | 528 |