- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/189 - High-frequency amplifiers, e.g. radio frequency amplifiers
Patent holdings for IPC class H03F 3/189
Total number of patents in this class: 866
10-year publication summary
|
70
|
74
|
96
|
77
|
77
|
51
|
52
|
43
|
25
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25744 |
56 |
| Qualcomm Incorporated | 92196 |
43 |
| Qorvo US, Inc. | 2396 |
40 |
| Mitsubishi Electric Corporation | 48018 |
33 |
| Telefonaktiebolaget LM Ericsson (publ) | 28758 |
29 |
| Samsung Electronics Co., Ltd. | 157719 |
28 |
| Intel Corporation | 47106 |
25 |
| Skyworks Solutions, Inc. | 3950 |
25 |
| NEC Corporation | 37004 |
18 |
| Psemi Corporation | 1080 |
18 |
| NXP USA, Inc. | 4401 |
16 |
| Huawei Technologies Co., Ltd. | 123385 |
15 |
| Ericsson | 22717 |
14 |
| Panasonic Corporation | 19019 |
13 |
| SnapTrack, Inc. | 518 |
11 |
| Thales SA | 2386 |
9 |
| MACOM Technology Solutions Holdings, Inc. | 858 |
9 |
| Quantance, Inc. | 70 |
9 |
| Raytheon Company | 8448 |
8 |
| Apple Inc. | 58742 |
7 |
| Other owners | 440 |