- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 9/20 - Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers
Patent holdings for IPC class H03G 9/20
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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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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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
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
1 |
| Meyer Sound Laboratories, Incorporated | 117 |
1 |
| Tymphany Acoustic Technology (Huizhou) Co., Ltd. | 42 |
1 |
| Native Instruments USA, Inc. | 37 |
1 |
| Other owners | 0 |