- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/44 - Modifications of amplifiers to extend the bandwidth of tuned amplifiers
Patent holdings for IPC class H03F 1/44
Total number of patents in this class: 6
10-year publication summary
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0
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0
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0
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0
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0
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1
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1
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujitsu Limited | 19265 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Murata Manufacturing Co., Ltd. | 22355 |
1 |
| Other owners | 0 |