- 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: 864
10-year publication summary
|
69
|
71
|
95
|
77
|
73
|
49
|
52
|
41
|
24
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25107 |
56 |
| Qualcomm Incorporated | 88095 |
42 |
| Qorvo US, Inc. | 2302 |
38 |
| Mitsubishi Electric Corporation | 47131 |
33 |
| Telefonaktiebolaget LM Ericsson (publ) | 28475 |
30 |
| Samsung Electronics Co., Ltd. | 149838 |
25 |
| Intel Corporation | 46510 |
25 |
| Skyworks Solutions, Inc. | 3826 |
24 |
| NEC Corporation | 36334 |
18 |
| Psemi Corporation | 1059 |
17 |
| NXP USA, Inc. | 4365 |
16 |
| Panasonic Corporation | 19924 |
14 |
| Ericsson | 22040 |
14 |
| Huawei Technologies Co., Ltd. | 116616 |
14 |
| SnapTrack, Inc. | 549 |
11 |
| Thales SA | 2378 |
9 |
| MACOM Technology Solutions Holdings, Inc. | 832 |
9 |
| Quantance, Inc. | 81 |
9 |
| Raytheon Company | 8459 |
8 |
| Apple Inc. | 56633 |
7 |
| Other owners | 445 |