- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/56 - Automatic gain control for negatively-modulated picture signals
Patent holdings for IPC class H04N 5/56
Total number of patents in this class: 3
10-year publication summary
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0
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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
|
|---|---|---|
| Sony Corporation | 32931 |
1 |
| Boe Technology Group Co., Ltd. | 35384 |
1 |
| Beijing BOE Multimedia Technology Co., Ltd. | 100 |
1 |
| Other owners | 0 |