- 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: 357
10-year publication summary
|
33
|
22
|
21
|
21
|
28
|
37
|
39
|
36
|
20
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 92416 |
24 |
| Huawei Technologies Co., Ltd. | 123543 |
23 |
| MACOM Technology Solutions Holdings, Inc. | 862 |
15 |
| Mitsubishi Electric Corporation | 48048 |
14 |
| NXP USA, Inc. | 4399 |
13 |
| Analog Devices, Inc. | 3321 |
12 |
| Murata Manufacturing Co., Ltd. | 25758 |
11 |
| Qorvo US, Inc. | 2401 |
11 |
| ROHDE & Schwarz GmbH & Co. KG | 1994 |
9 |
| Texas Instruments Incorporated | 19653 |
8 |
| International Business Machines Corporation | 62671 |
7 |
| Mediatek Inc. | 5340 |
5 |
| Lansus Technologies Inc. | 308 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 28825 |
5 |
| Ericsson | 22785 |
4 |
| Intel Corporation | 47122 |
4 |
| Cisco Technology, Inc. | 22503 |
4 |
| Northrop Grumman Systems Corporation | 2913 |
4 |
| ZTE Corporation | 44199 |
4 |
| Realtek Semiconductor Corp. | 3505 |
4 |
| Other owners | 171 |