H04N 1/3878
Skew detection or correction
Official title: {Skew detection or correction}
H04N1/3878 (Skew detection or correction) appears on 386 US grants and 379 published applications in this corpus.
Search patents in H04N- Granted patents
- 386
- Published applications
- 379
- Assignees
- 118
- Inventors
- 670
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 5 |
| 2002 | 7 | 5 |
| 2003 | 3 | 8 |
| 2004 | 9 | 13 |
| 2005 | 5 | 9 |
| 2006 | 12 | 17 |
| 2007 | 9 | 14 |
| 2008 | 9 | 11 |
| 2009 | 7 | 22 |
| 2010 | 5 | 10 |
| 2011 | 13 | 22 |
| 2012 | 17 | 12 |
| 2013 | 23 | 17 |
| 2014 | 19 | 17 |
| 2015 | 28 | 22 |
| 2016 | 24 | 18 |
| 2017 | 23 | 37 |
| 2018 | 21 | 22 |
| 2019 | 32 | 23 |
| 2020 | 19 | 19 |
| 2021 | 22 | 18 |
| 2022 | 17 | 11 |
| 2023 | 7 | 5 |
| 2024 | 8 | 4 |
| 2025 | 1 | 7 |
| 2026 | 1 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical scanning device and image forming apparatus including same28 Jul 2026US 12,695,840 B2KYOCERA Document Solutions Inc.
- Image reading apparatus and image reading method1 Jul 2025US 12,348,690 B2Canon Kabushiki Kaisha
- Image processing apparatus identifies a line in a real space to correct a first image based on positions of at least two identified lines in the first image, image processing method, and non-transitory computer-readable storage medium24 Dec 2024US 12,175,643 B2Canon Kabushiki Kaisha
- Machine learning enabled document deskewing10 Dec 2024US 12,165,298 B2Sap SE
- Image recording device, method of controlling image recording device, and non-transitory computer-readable recording medium therefor10 Dec 2024US 12,166,944 B2Brother Kogyo Kabushiki Kaisha
- Image reading device and image reading method1 Oct 2026US 2026/0303750 A1Seiko Epson Corporation
- Information processing system, non-transitory computer readable medium storing information processing program, and image reading apparatus24 Sep 2026US 2026/0292087 A1FUJIFILM Business Innovation Corp.
- Image reading apparatus and method of controlling the same17 Sep 2026US 2026/0281270 A1Canon Kabushiki Kaisha
- Document reading apparatus that corrects read image data6 Aug 2026US 2026/0230563 A1Canon Kabushiki Kaisha
- Image reading device, image forming apparatus, and image reading method18 Jun 2026US 2026/0172515 A1Etria Co., Ltd.
Most cited
By later US patents
- Digital camera with integrated accelerometers206US 6,747,690 B2Phase One A/S · 2004
- Electronic image registration for a scanner204US 5,528,387 AXerox Corporation · 1996
- Image processing system for scanning a rectangular document156US 6,449,397 B1Mustek Systems Inc. · 2002
- Image processing system with automatic image cropping and skew correction147US 6,430,320 B1Hewlett-Packard Company · 2002
- Systems and methods for mobile image capture and processing137US 8,855,375 B2Kofax, Inc. · 2014