- 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: 1124
10-year publication summary
81
|
78
|
79
|
58
|
54
|
99
|
47
|
51
|
44
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 22355 |
84 |
Skyworks Solutions, Inc. | 3450 |
78 |
Qorvo US, Inc. | 2018 |
59 |
Texas Instruments Incorporated | 19376 |
49 |
Qualcomm Incorporated | 76576 |
41 |
Avago Technologies International Sales Pte. Limited | 9260 |
27 |
Samsung Electro-mechanics Co., Ltd. | 4798 |
22 |
Samsung Electronics Co., Ltd. | 131630 |
20 |
Mediatek Inc. | 4584 |
19 |
Cirrus Logic, Inc. | 1719 |
19 |
NXP USA, Inc. | 4155 |
19 |
Realtek Semiconductor Corp. | 3028 |
18 |
RichWave Technology Corp. | 244 |
18 |
Psemi Corporation | 898 |
18 |
Intel Corporation | 45621 |
16 |
Raytheon Company | 8535 |
15 |
Analog Devices, Inc. | 3475 |
15 |
Toshiba Corporation | 12017 |
12 |
Cirrus Logic International Semiconductor Ltd. | 792 |
11 |
Morgan Stanley Senior Funding, Inc., AS Agent | 1727 |
11 |
Other owners | 553 |