- 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: 874
10-year publication summary
|
59
|
66
|
70
|
69
|
66
|
52
|
75
|
53
|
65
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 91997 |
67 |
| Murata Manufacturing Co., Ltd. | 25722 |
60 |
| Skyworks Solutions, Inc. | 3947 |
55 |
| Qorvo US, Inc. | 2394 |
45 |
| Samsung Electronics Co., Ltd. | 157557 |
25 |
| Texas Instruments Incorporated | 19663 |
25 |
| Analog Devices, Inc. | 3321 |
19 |
| Cirrus Logic, Inc. | 1803 |
19 |
| Psemi Corporation | 1076 |
19 |
| Samsung Electro-mechanics Co., Ltd. | 6073 |
13 |
| Rohm Co., Ltd. | 6824 |
13 |
| ZTE Corporation | 44159 |
13 |
| MACOM Technology Solutions Holdings, Inc. | 856 |
13 |
| Mitsubishi Electric Corporation | 47971 |
11 |
| Yamaha Corporation | 4071 |
10 |
| Cirrus Logic International Semiconductor Ltd. | 915 |
10 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 121 |
10 |
| Analog Devices International Unlimited Company | 2022 |
10 |
| Toshiba Corporation | 12548 |
9 |
| Panasonic Corporation | 19060 |
9 |
| Other owners | 419 |