- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 25/677 - Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction for reducing the column or line fixed pattern noise
Patent holdings for IPC class H04N 25/677
Total number of patents in this class: 32
10-year publication summary
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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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9
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8
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9
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4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Canon Inc. | 39618 |
5 |
| Sony Semiconductor Solutions Corporation | 10355 |
4 |
| SK Hynix Inc. | 11265 |
3 |
| American Sterilizer Company | 662 |
2 |
| Samsung Electronics Co., Ltd. | 144675 |
1 |
| Hitachi Kokusai Electric Inc. | 881 |
1 |
| Huawei Technologies Co., Ltd. | 111449 |
1 |
| STMicroelectronics (Grenoble 2) SAS | 613 |
1 |
| Hoya Corporation | 2738 |
1 |
| Hamamatsu Photonics K.K. | 4391 |
1 |
| Boe Technology Group Co., Ltd. | 40728 |
1 |
| Intuitive Surgical Operations, Inc. | 4017 |
1 |
| OmniVision Technologies, Inc. | 1559 |
1 |
| Varex Imaging Corporation | 303 |
1 |
| Zhejiang uniView Technologies Co., Ltd | 185 |
1 |
| Canon Electron Tubes & Devices Co., Ltd. | 164 |
1 |
| Beijing BOE Sensor Technology Co., Ltd. | 435 |
1 |
| ams Sensors USA Inc. | 28 |
1 |
| Sony Advanced Visual Sensing AG | 73 |
1 |
| Nuvoton Technology Corporation Japan | 589 |
1 |
| Other owners | 2 |