- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 3/12 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes with Esaki diodes
Patent holdings for IPC class H03F 3/12
Total number of patents in this class: 4
10-year publication summary
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1
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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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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ericsson | 22929 |
1 |
| Hamamatsu Photonics K.K. | 4695 |
1 |
| Georgia Tech Research Corporation | 2964 |
1 |
| Qsc, LLC | 210 |
1 |
| Other owners | 0 |