H04N 23/811
By dust removal
Official title: {by dust removal, e.g. from surfaces of the image sensor or processing of the image signal output by the electronic image sensor}
H04N23/811 (By dust removal) appears on 456 US grants and 535 published applications in this corpus.
Search patents in H04N- Granted patents
- 456
- Published applications
- 535
- Assignees
- 161
- Inventors
- 727
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 0 | 2 |
| 2003 | 3 | 10 |
| 2004 | 1 | 9 |
| 2005 | 3 | 14 |
| 2006 | 3 | 5 |
| 2007 | 8 | 29 |
| 2008 | 10 | 36 |
| 2009 | 20 | 24 |
| 2010 | 23 | 40 |
| 2011 | 33 | 23 |
| 2012 | 38 | 24 |
| 2013 | 26 | 25 |
| 2014 | 26 | 27 |
| 2015 | 24 | 37 |
| 2016 | 30 | 31 |
| 2017 | 23 | 12 |
| 2018 | 17 | 22 |
| 2019 | 19 | 25 |
| 2020 | 26 | 40 |
| 2021 | 30 | 27 |
| 2022 | 29 | 19 |
| 2023 | 25 | 18 |
| 2024 | 16 | 19 |
| 2025 | 13 | 7 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cooking apparatus and control method thereof2 Jun 2026US 12,644,608 B2Samsung Electronics Co., Ltd.
- Cellular phone with digital camera and in-camera software for image correction2 Jun 2026US 12,645,073 B2
- Piezoelectric material, piezoelectric element, and electronic apparatus28 Apr 2026US 12,615,965 B2Canon Kabushiki Kaisha
- Multi-factor assessment to detect image capture device smudges and corresponding electronic devices and methods14 Apr 2026US 12,604,103 B2Motorola Mobility LLC
- Dirt detection method and device for camera cover7 Apr 2026US 12,598,397 B2Shanghai Integrated Circuit Manufacturing Innovation Center Co., Ltd.
- Sensor cleaning assembly with rotating sensor window8 Oct 2026US 2026/0313243 A1Zoox, Inc.
- Detecting Optical Discrepancies In Captured Images1 Oct 2026US 2026/0301186 A1Skydio, Inc.
- Method of manufacturing piezoelectric ceramics, piezoelectric ceramics, piezoelectric element, ultrasonic motor, optical apparatus, dust removing device, image pickup apparatus, ultrasonic probe, ultrasonic diagnostic apparatus, and electronic apparatus4 Jun 2026US 2026/0157113 A1Canon Kabushiki Kaisha
- Suspended Camera Cover Glass For Ultrasonic Cleaning7 May 2026US 2026/0126647 A1Deere & Company
- Image synthesis device for electronic mirror and method thereof5 Feb 2026US 2026/0039766 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Moisture sensor utilizing stereo imaging with an image sensor194US 6,617,564 B2Gentex Corporation · 2003
- Detection and removal of blemishes in digital images utilizing original images of defocused scenes135US 7,295,233 B2FotoNation Vision Limited · 2007
- Image defect map creation using batches of digital images99US 8,369,650 B2DigitalOptics Corporation Europe Limited · 2013
- Automated statistical self-calibrating detection and removal of blemishes in digital images based on multiple occurrences of dust in images92US 7,369,712 B2FotoNation Vision Limited · 2008
- Systems and methods for detecting defective camera arrays and optic arrays88US 9,100,635 B2Pelican Imaging Corporation · 2015