- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/825 - Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the luminance and chrominance signals being recorded in separate channels
Patent holdings for IPC class H04N 9/825
Total number of patents in this class: 9
10-year publication summary
1
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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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2
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1
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0
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 131630 |
3 |
Comcast Cable Communications, LLC | 4075 |
3 |
LG Electronics Inc. | 69257 |
1 |
Freedom Scientific, Inc. | 230 |
1 |
OmniVision Technologies, Inc. | 1502 |
1 |
Other owners | 0 |