- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/07 - Doherty-type amplifiers
Patent holdings for IPC class H03F 1/07
Total number of patents in this class: 284
10-year publication summary
|
24
|
20
|
20
|
30
|
25
|
30
|
17
|
5
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 34337 |
32 |
| ZTE Corporation | 41038 |
28 |
| Mitsubishi Electric Corporation | 44738 |
26 |
| Huawei Technologies Co., Ltd. | 106498 |
22 |
| NXP USA, Inc. | 4214 |
13 |
| Murata Manufacturing Co., Ltd. | 23648 |
11 |
| Skyworks Solutions, Inc. | 3603 |
10 |
| Panasonic Corporation | 20327 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 27378 |
9 |
| MACOM Technology Solutions Holdings, Inc. | 806 |
6 |
| Qorvo US, Inc. | 2133 |
6 |
| Alcatel Lucent | 4619 |
5 |
| Fujitsu Limited | 18419 |
4 |
| Hitachi Kokusai Electric Inc. | 1039 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6220 |
4 |
| Samsung Electronics Co., Ltd. | 138518 |
3 |
| Ericsson | 21094 |
3 |
| Sumitomo Electric Industries, Ltd. | 14929 |
3 |
| Samsung Electro-mechanics Co., Ltd. | 5191 |
3 |
| Ampleon Netherlands B.V. | 100 |
3 |
| Other owners | 80 |