- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/24 - Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively in discharge-tube amplifiers
Patent holdings for IPC class H03F 1/24
Total number of patents in this class: 19
10-year publication summary
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1
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0
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0
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0
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1
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3
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1
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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
|
|---|---|---|
| Xueshan Technologies Inc. | 503 |
7 |
| Georgia Tech Research Corporation | 2942 |
2 |
| THX Ltd. | 64 |
2 |
| Qualcomm Incorporated | 91997 |
1 |
| The Regents of the University of California | 20720 |
1 |
| Intel Corporation | 47102 |
1 |
| Analog Devices, Inc. | 3321 |
1 |
| Cirrus Logic, Inc. | 1803 |
1 |
| Nokia Technologies Oy | 21069 |
1 |
| Lehigh University | 172 |
1 |
| Hangzhou Geo-chip Technology Co., Ltd. | 20 |
1 |
| Other owners | 0 |