H04N 1/6033
Using test pattern analysis
Official title: {using test pattern analysis (H04N1/6055 takes precedence)}
H04N1/6033 (Using test pattern analysis) appears on 2,032 US grants and 2,072 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,032
- Published applications
- 2,072
- Assignees
- 386
- Inventors
- 2,851
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 14 | 0 |
| 1995 | 5 | 0 |
| 1996 | 21 | 0 |
| 1997 | 13 | 0 |
| 1998 | 29 | 0 |
| 1999 | 25 | 0 |
| 2000 | 33 | 0 |
| 2001 | 35 | 11 |
| 2002 | 32 | 55 |
| 2003 | 39 | 63 |
| 2004 | 26 | 49 |
| 2005 | 36 | 88 |
| 2006 | 59 | 71 |
| 2007 | 53 | 65 |
| 2008 | 49 | 56 |
| 2009 | 59 | 78 |
| 2010 | 56 | 78 |
| 2011 | 65 | 97 |
| 2012 | 68 | 109 |
| 2013 | 107 | 89 |
| 2014 | 127 | 80 |
| 2015 | 124 | 86 |
| 2016 | 83 | 103 |
| 2017 | 92 | 118 |
| 2018 | 101 | 110 |
| 2019 | 125 | 90 |
| 2020 | 88 | 87 |
| 2021 | 80 | 92 |
| 2022 | 105 | 112 |
| 2023 | 96 | 102 |
| 2024 | 89 | 74 |
| 2025 | 31 | 73 |
| 2026 | 28 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 1/6036Involving periodic tests or tests during use of the machine211
- H04N 1/6044Involving a sensor integrated in the machine or otherwise specifically adapted to201
- H04N 1/6041For controlling uniformity of color across image area176
- H04N 1/605For controlling ink amount, strike-through, bleeding soakage or the like162
- H04N 1/6047Wherein the test pattern is part of an arbitrary user image125
- H04N 1/6038For controlling interaction among colorants99
Recent patents
- Printing apparatus, printing method, and program6 Oct 2026US 12,752,547 B2Canon Kabushiki Kaisha
- Information processing apparatus, method for the same, and storage medium6 Oct 2026US 12,756,790 B2Canon Kabushiki Kaisha
- Image reading apparatus with image sensors and color measurer6 Oct 2026US 12,756,791 B2Konica Minolta, Inc.
- Method of creating color chart data, information processing apparatus for creating color chart data, color chart, image forming system, and non-transitory recording medium29 Sep 2026US 12,750,455 B2Ricoh Company, Ltd.
- Color correction method, image forming device and storage medium22 Sep 2026US 12,744,858 B2Zhuhai Pantum Electronics Co., Ltd.
- Image forming apparatus capable of reading image on original document and forming image17 Sep 2026US 2026/0281276 A1KYOCERA Document Solutions Inc.
- Automated chromogenic in situ hybridization quantification and immunohistochemical assessment from whole slide images3 Sep 2026US 2026/0261623 A1
- Device and method for supporting determination of maximum ink amount27 Aug 2026US 2026/0254911 A1Seiko Epson Corporation
- Method and system for calculating color fastness of textile method27 Aug 2026US 2026/0254914 A1Dongguan Fengzhen Testing Equipment Co., Ltd.
- Recording apparatus, method for recording apparatus, and non-transitory computer-readable storage medium27 Aug 2026US 2026/0254915 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Correcting exposure and tone scale of digital images captured by an image capture device196US 6,473,199 B1Eastman Kodak Company · 2002
- Spectrophotometer for color printer color control with displacement insensitive optics186US 6,384,918 B1Xerox Corporation · 2002
- Color imager bar based spectrophotometer for color printer color control system177US 6,621,576 B2Xerox Corporation · 2003
- Halftone correction systems163US 5,854,882 AUniversity of Rochester · 1998
- Method and apparatus for adaptive color characterization and calibration148US 5,363,318 AEastman Kodak Company · 1994