H04N 1/00023
Colour systems
Official title: {Colour systems}
H04N1/00023 (Colour systems) appears on 440 US grants and 483 published applications in this corpus.
Search patents in H04N- Granted patents
- 440
- Published applications
- 483
- Assignees
- 83
- Inventors
- 728
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 5 |
| 2003 | 8 | 11 |
| 2004 | 5 | 7 |
| 2005 | 2 | 12 |
| 2006 | 12 | 15 |
| 2007 | 4 | 17 |
| 2008 | 7 | 16 |
| 2009 | 5 | 24 |
| 2010 | 18 | 16 |
| 2011 | 8 | 29 |
| 2012 | 26 | 23 |
| 2013 | 32 | 23 |
| 2014 | 31 | 11 |
| 2015 | 22 | 18 |
| 2016 | 15 | 36 |
| 2017 | 42 | 65 |
| 2018 | 53 | 25 |
| 2019 | 39 | 19 |
| 2020 | 20 | 30 |
| 2021 | 23 | 15 |
| 2022 | 19 | 20 |
| 2023 | 15 | 22 |
| 2024 | 18 | 12 |
| 2025 | 6 | 9 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image reading apparatus with image sensors and color measurer6 Oct 2026US 12,756,791 B2Konica Minolta, Inc.
- Printing system, image forming apparatus and method of controlling the same, and storage medium23 Jun 2026US 12,665,976 B2Canon Kabushiki Kaisha
- System and method for visualization of variances observed on substrate surfaces18 Nov 2025US 12,477,071 B2Esko Software BV
- Inspection apparatus and method of controlling the same, and storage medium, that convert stored first reference image usable in job to be inspected to second reference image corresponding to the job23 Sep 2025US 12,425,521 B2Canon Kabushiki Kaisha
- Printed-matter inspection system, computer product, and method for displaying dummy page for scanned image of target1 Jul 2025US 12,348,683 B2FUJIFILM Business Innovation Corp.
- Color management method, color management apparatus, storage medium, image forming apparatus, and reading apparatus14 May 2026US 2026/0135952 A1Konica Minolta, Inc.
- Information processing apparatus, control method, and storage medium26 Mar 2026US 2026/0089270 A1Canon Kabushiki Kaisha
- Image quality control method, non-transitory computer-readable storage medium storing image quality control program, and projector29 Jan 2026US 2026/0032222 A1Seiko Epson Corporation
- Inspection apparatus, image forming system, abnormality detection method, and recording medium6 Nov 2025US 2025/0343863 A1Konica Minolta, Inc.
- Printed-matter inspection system, non-transitory computer readable medium, and printed-matter inspection method25 Sep 2025US 2025/0301066 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Color printer calibration test pattern129US 5,416,613 AXerox Corporation · 1995
- Image processing algorithm for characterization of uniformity of printed images70US 6,571,000 B1Xerox Corporation · 2003
- Network-based system for color calibration of printers49US 6,048,117 AXerox Corporation · 2000
- Color printer color control system using dual mode banner color test sheets42US 6,538,770 B1Xerox Corporation · 2003
- Certified proofing37US 6,793,310 B2Creo Americas, Inc. · 2004