- 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
|
23
|
24
|
20
|
20
|
30
|
25
|
27
|
15
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
32 |
| ZTE Corporation | 39218 |
28 |
| Mitsubishi Electric Corporation | 43934 |
26 |
| Huawei Technologies Co., Ltd. | 100781 |
22 |
| NXP USA, Inc. | 4155 |
13 |
| Murata Manufacturing Co., Ltd. | 22355 |
10 |
| Panasonic Corporation | 20786 |
9 |
| Skyworks Solutions, Inc. | 3450 |
9 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
9 |
| MACOM Technology Solutions Holdings, Inc. | 784 |
6 |
| Qorvo US, Inc. | 2018 |
6 |
| Alcatel Lucent | 4720 |
5 |
| Fujitsu Limited | 19265 |
4 |
| Hitachi Kokusai Electric Inc. | 1070 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Sumitomo Electric Industries, Ltd. | 14131 |
3 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
3 |
| Ampleon Netherlands B.V. | 101 |
3 |
| Wuhan Gewei Electronic Technology Co., Ltd. | 4 |
3 |
| Other owners | 82 |