- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/835 - 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 recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal involving processing of the sound signal
Patent holdings for IPC class H04N 9/835
Total number of patents in this class: 3
10-year publication summary
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nissan Motor Co., Ltd. | 12249 |
1 |
Clarion Co., Ltd. | 896 |
1 |
Digimarc Corporation | 787 |
1 |
Other owners | 0 |