H04N 1/54
Conversion of colour picture signals to a plurality of signals some of
Official title: Conversion of colour picture signals to a plurality of signals some of which represent particular mixed colours, e.g. for textile printing
H04N1/54 (Conversion of colour picture signals to a plurality of signals some of) appears on 623 US grants and 655 published applications in this corpus.
Search patents in H04N- Granted patents
- 623
- Published applications
- 655
- Assignees
- 165
- Inventors
- 942
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 5 |
| 2003 | 6 | 14 |
| 2004 | 7 | 16 |
| 2005 | 3 | 29 |
| 2006 | 9 | 13 |
| 2007 | 10 | 18 |
| 2008 | 13 | 13 |
| 2009 | 23 | 28 |
| 2010 | 13 | 28 |
| 2011 | 17 | 34 |
| 2012 | 24 | 36 |
| 2013 | 45 | 39 |
| 2014 | 44 | 22 |
| 2015 | 44 | 34 |
| 2016 | 33 | 35 |
| 2017 | 31 | 36 |
| 2018 | 27 | 33 |
| 2019 | 43 | 41 |
| 2020 | 33 | 29 |
| 2021 | 26 | 24 |
| 2022 | 26 | 33 |
| 2023 | 34 | 34 |
| 2024 | 36 | 31 |
| 2025 | 12 | 21 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Printing control device, printing control method, and non-transitory computer readable medium for color material replacement25 Aug 2026US 12,719,998 B2FUJIFILM Business Innovation Corp.
- Information processing apparatus, information processing system, and non-transitory computer readable medium for spot color conversion21 Jul 2026US 12,689,701 B2FUJIFILM Business Innovation Corp.
- Information processing device and method, image forming apparatus, and non-transitory computer readable medium19 May 2026US 12,634,406 B2FUJIFILM Business Innovation Corp.
- Information processing apparatus, non-transitory computer readable medium storing information processing program, and information processing method for applying color conversion information associated with output job information28 Apr 2026US 12,615,340 B2FUJIFILM Business Innovation Corp.
- Control apparatus, control method, and storage medium31 Mar 2026US 12,593,002 B2Canon Kabushiki Kaisha
- Storage medium storing program that extends functions of general purpose scan software capable of being used in common for reading apparatuses provided by a plurality of manufacturers, information processing apparatus, and control method for information processing apparatus8 Oct 2026US 2026/0313064 A1Canon Kabushiki Kaisha
- Information processing system, information processing method, and non-transitory computer readable medium24 Sep 2026US 2026/0292092 A1FUJIFILM Business Innovation Corp.
- Method of creating proof image data, proof image data creation device, and non-transitory computer-readable storage medium storing computer program24 Sep 2026US 2026/0292093 A1Seiko Epson Corporation
- Method and system for determining an optimized set of ink colours used to print a pattern on an object27 Aug 2026US 2026/0254916 A1Airbus Operations GmbH
- Print job management method, print job management apparatus and storage medium16 Jul 2026US 2026/0205554 A1Konica Minolta, Inc.
Most cited
By later US patents
- Six-color process system97US 5,734,800 APantone, Inc. · 1998
- Hybrid scalar-vector dithering display methods and apparatus88US 9,607,576 B2SnapTrack, Inc. · 2017
- System for printing color images with extra colorants in addition to primary colorants85US 5,892,891 AXerox Corporation · 1999
- method and apparatus for converting from a source color space to a target color space68US 7,598,961 B2Samsung Electronics Co., Ltd. · 2009
- Printing process where each incremental area is divided into a chromatic area and an achromatic area and wherein the achromatic areas are printed in black and white and the chromatic areas are printed in color sub-sections62US 4,812,899 A1989