- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/52 - Circuit arrangements for protecting such amplifiers
Patent holdings for IPC class H03F 1/52
Total number of patents in this class: 794
10-year publication summary
|
78
|
59
|
66
|
70
|
69
|
64
|
51
|
75
|
53
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 81413 |
58 |
| Murata Manufacturing Co., Ltd. | 23648 |
48 |
| Skyworks Solutions, Inc. | 3603 |
45 |
| Qorvo US, Inc. | 2133 |
35 |
| Samsung Electronics Co., Ltd. | 138518 |
22 |
| Texas Instruments Incorporated | 19405 |
19 |
| Analog Devices, Inc. | 3431 |
16 |
| Cirrus Logic, Inc. | 1748 |
16 |
| Psemi Corporation | 951 |
16 |
| Samsung Electro-mechanics Co., Ltd. | 5191 |
13 |
| Rohm Co., Ltd. | 6314 |
13 |
| ZTE Corporation | 41038 |
13 |
| Mitsubishi Electric Corporation | 44738 |
10 |
| Yamaha Corporation | 4074 |
10 |
| MACOM Technology Solutions Holdings, Inc. | 806 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 116 |
10 |
| Panasonic Corporation | 20327 |
9 |
| Semiconductor Components Industries, L.L.C. | 5242 |
9 |
| NXP B.V. | 2187 |
9 |
| Analog Devices International Unlimited Company | 1823 |
9 |
| Other owners | 404 |