- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/42 - Modifications of amplifiers to extend the bandwidth
Patent holdings for IPC class H03F 1/42
Total number of patents in this class: 302
10-year publication summary
22
|
33
|
33
|
22
|
21
|
21
|
26
|
34
|
37
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Huawei Technologies Co., Ltd. | 100781 |
22 |
Qualcomm Incorporated | 76576 |
21 |
Mitsubishi Electric Corporation | 43934 |
13 |
NXP USA, Inc. | 4155 |
13 |
MACOM Technology Solutions Holdings, Inc. | 784 |
10 |
Analog Devices, Inc. | 3475 |
9 |
Qorvo US, Inc. | 2018 |
9 |
ROHDE & Schwarz GmbH & Co. KG | 1831 |
9 |
International Business Machines Corporation | 60644 |
7 |
NEC Corporation | 32703 |
6 |
Texas Instruments Incorporated | 19376 |
6 |
Murata Manufacturing Co., Ltd. | 22355 |
6 |
Mediatek Inc. | 4584 |
5 |
Lansus Technologies Inc. | 160 |
5 |
Ericsson | 20417 |
4 |
Fujitsu Limited | 19265 |
4 |
Northrop Grumman Systems Corporation | 2940 |
4 |
Realtek Semiconductor Corp. | 3028 |
4 |
Vanchip (Tianjin) Technology Co., Ltd | 70 |
4 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
4 |
Other owners | 137 |