- 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: 777
10-year publication summary
|
51
|
78
|
59
|
66
|
70
|
69
|
64
|
50
|
75
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 76576 |
57 |
| Skyworks Solutions, Inc. | 3450 |
45 |
| Murata Manufacturing Co., Ltd. | 22355 |
43 |
| Qorvo US, Inc. | 2018 |
33 |
| Samsung Electronics Co., Ltd. | 131630 |
19 |
| Texas Instruments Incorporated | 19376 |
17 |
| Analog Devices, Inc. | 3475 |
16 |
| Cirrus Logic, Inc. | 1719 |
16 |
| Rohm Co., Ltd. | 5843 |
14 |
| Psemi Corporation | 898 |
14 |
| ZTE Corporation | 39218 |
13 |
| Sonos, Inc. | 2274 |
12 |
| Yamaha Corporation | 4054 |
10 |
| MACOM Technology Solutions Holdings, Inc. | 784 |
10 |
| Panasonic Corporation | 20786 |
9 |
| Mitsubishi Electric Corporation | 43934 |
9 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
9 |
| Semiconductor Components Industries, L.L.C. | 5345 |
9 |
| Smarter Microelectronics (guang Zhou) Co., Ltd. | 109 |
9 |
| NXP B.V. | 2185 |
9 |
| Other owners | 404 |