H04N 1/00045
Using a reference pattern designed for the purpose
Official title: {using a reference pattern designed for the purpose, e.g. a test chart}
H04N1/00045 (Using a reference pattern designed for the purpose) appears on 910 US grants and 1,006 published applications in this corpus.
Search patents in H04N- Granted patents
- 910
- Published applications
- 1,006
- Assignees
- 207
- Inventors
- 1,693
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 17 | 4 |
| 2002 | 10 | 21 |
| 2003 | 24 | 30 |
| 2004 | 20 | 38 |
| 2005 | 15 | 40 |
| 2006 | 27 | 36 |
| 2007 | 24 | 40 |
| 2008 | 23 | 38 |
| 2009 | 39 | 51 |
| 2010 | 31 | 34 |
| 2011 | 24 | 67 |
| 2012 | 43 | 46 |
| 2013 | 75 | 44 |
| 2014 | 68 | 34 |
| 2015 | 40 | 29 |
| 2016 | 33 | 29 |
| 2017 | 41 | 51 |
| 2018 | 45 | 36 |
| 2019 | 36 | 33 |
| 2020 | 31 | 36 |
| 2021 | 37 | 42 |
| 2022 | 46 | 42 |
| 2023 | 42 | 52 |
| 2024 | 42 | 61 |
| 2025 | 16 | 48 |
| 2026 | 16 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inspection system and control method29 Sep 2026US 12,750,449 B2Canon Kabushiki Kaisha
- Print inspection apparatus, print system, print inspection method, and non-transitory recording medium22 Sep 2026US 12,744,851 B2Ricoh Company, Ltd.
- Inspection apparatus, inspection system, and inspection method18 Aug 2026US 12,711,606 B2Canon Kabushiki Kaisha
- Optical scanning device and image forming apparatus including same28 Jul 2026US 12,695,840 B2KYOCERA Document Solutions Inc.
- Image forming apparatus for forming-adjustment image on sheet21 Jul 2026US 12,689,703 B2Canon Kabushiki Kaisha
- Inspection system that inspects printed matter and control method for inspection system8 Oct 2026US 2026/0313053 A1Canon Kabushiki Kaisha
- Image forming apparatus, non-transitory computer readable medium storing image forming program, and image forming system1 Oct 2026US 2026/0303740 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus, image reading apparatus, and detection method for deviation amount of printing position24 Sep 2026US 2026/0292073 A1
- Abnormality detection apparatus, scanner, image forming apparatus, adhering object detection method, and non-transitory recording medium24 Sep 2026US 2026/0292074 A1Ricoh Company, Ltd.
- Inspection system10 Sep 2026US 2026/0270348 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Image capture and identification system and process552US 7,016,532 B2Evryx Technologies, Inc. · 2006
- Image capture and identification system and process422US 7,477,780 B2Evryx Technologies, Inc. · 2009
- Systems and methods for automated image quality based diagnostics and remediation of document processing systems165US 6,665,425 B1Xerox Corporation · 2003
- Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration151US 6,512,837 B1Digimarc Corporation · 2003
- Color printer calibration test pattern129US 5,416,613 AXerox Corporation · 1995