H04N 1/00681
Detecting the presence, position or size of a sheet or correcting its
Official title: {Detecting the presence, position or size of a sheet or correcting its position before scanning (H04N1/047 takes precedence; mode signalling H04N1/333; skew detection or correction in image signals H04N1/3878)}
H04N1/00681 (Detecting the presence, position or size of a sheet or correcting its) appears on 2,242 US grants and 2,292 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,242
- Published applications
- 2,292
- Assignees
- 274
- Inventors
- 3,728
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 15 | 0 |
| 1992 | 14 | 0 |
| 1993 | 16 | 0 |
| 1994 | 19 | 0 |
| 1995 | 11 | 0 |
| 1996 | 24 | 0 |
| 1997 | 18 | 0 |
| 1998 | 38 | 0 |
| 1999 | 31 | 0 |
| 2000 | 38 | 0 |
| 2001 | 30 | 9 |
| 2002 | 21 | 46 |
| 2003 | 24 | 39 |
| 2004 | 29 | 49 |
| 2005 | 21 | 38 |
| 2006 | 33 | 38 |
| 2007 | 18 | 55 |
| 2008 | 37 | 47 |
| 2009 | 30 | 66 |
| 2010 | 48 | 67 |
| 2011 | 38 | 76 |
| 2012 | 62 | 64 |
| 2013 | 90 | 67 |
| 2014 | 91 | 85 |
| 2015 | 109 | 92 |
| 2016 | 101 | 139 |
| 2017 | 111 | 151 |
| 2018 | 140 | 162 |
| 2019 | 152 | 155 |
| 2020 | 131 | 163 |
| 2021 | 156 | 168 |
| 2022 | 166 | 151 |
| 2023 | 143 | 116 |
| 2024 | 93 | 94 |
| 2025 | 46 | 76 |
| 2026 | 36 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Document imaging apparatus with leading edge engagement for improved performance6 Oct 2026US 12,752,307 B2Opex Corporation
- Medium conveyance device and image reading device6 Oct 2026US 12,753,036 B2Seiko Epson Corporation
- Medium processing device and image forming apparatus6 Oct 2026US 12,756,784 B2Ricoh Company, Ltd.
- Image reading device including an image pattern portion and image forming apparatus29 Sep 2026US 12,750,450 B2Ricoh Company, Ltd.
- Image forming apparatus29 Sep 2026US 12,750,453 B2Canon Kabushiki Kaisha
- Medium loading device, feeding device, image reading device, and image forming device1 Oct 2026US 2026/0296070 A1Seiko Epson Corporation
- Information processing apparatus, information processing method, and non-transitory recording medium1 Oct 2026US 2026/0303738 A1Ricoh Company, Ltd.
- Information processing system, non-transitory computer readable medium storing information processing program, and image reading apparatus1 Oct 2026US 2026/0303739 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus, non-transitory computer readable medium storing image forming program, and image forming system1 Oct 2026US 2026/0303740 A1FUJIFILM Business Innovation Corp.
- Document reader and image forming system1 Oct 2026US 2026/0303747 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Image read device and copier1,024US 8,599,450 B2Ricoh Company, Ltd. · 2013
- Interactive user interface for capturing a document in an image signal743US 9,047,531 B2Hand Held Products, Inc. · 2015
- Method of encoding an E-mail address in a fax message and routing the fax message to a destination on a network297US 5,115,326 AHewlett-Packard Company · 1992
- Automatically capturing information, such as capturing information using a document-aware device228US 8,638,363 B2Google Inc. · 2014
- Electronic image registration for a scanner204US 5,528,387 AXerox Corporation · 1996