- 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: 839
10-year publication summary
|
78
|
58
|
65
|
69
|
69
|
66
|
51
|
75
|
53
|
62
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 87585 |
63 |
| Murata Manufacturing Co., Ltd. | 25001 |
56 |
| Skyworks Solutions, Inc. | 3810 |
49 |
| Qorvo US, Inc. | 2289 |
42 |
| Samsung Electronics Co., Ltd. | 149087 |
23 |
| Texas Instruments Incorporated | 19495 |
21 |
| Analog Devices, Inc. | 3360 |
19 |
| Psemi Corporation | 1048 |
19 |
| Cirrus Logic, Inc. | 1796 |
17 |
| Samsung Electro-mechanics Co., Ltd. | 5693 |
13 |
| Rohm Co., Ltd. | 6560 |
13 |
| ZTE Corporation | 43054 |
13 |
| MACOM Technology Solutions Holdings, Inc. | 834 |
11 |
| Mitsubishi Electric Corporation | 46926 |
10 |
| Yamaha Corporation | 4062 |
10 |
| Cirrus Logic International Semiconductor Ltd. | 899 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 119 |
10 |
| Toshiba Corporation | 12548 |
9 |
| Panasonic Corporation | 19966 |
9 |
| Analog Devices International Unlimited Company | 1968 |
9 |
| Other owners | 413 |