H04N 1/6016
Conversion to subtractive colour signals
Official title: {Conversion to subtractive colour signals}
H04N1/6016 (Conversion to subtractive colour signals) appears on 1,591 US grants and 1,295 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,591
- Published applications
- 1,295
- Assignees
- 275
- Inventors
- 1,865
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 21 | 0 |
| 1991 | 23 | 0 |
| 1992 | 18 | 0 |
| 1993 | 21 | 0 |
| 1994 | 31 | 0 |
| 1995 | 21 | 0 |
| 1996 | 22 | 0 |
| 1997 | 24 | 0 |
| 1998 | 41 | 0 |
| 1999 | 34 | 0 |
| 2000 | 31 | 0 |
| 2001 | 30 | 12 |
| 2002 | 23 | 36 |
| 2003 | 33 | 49 |
| 2004 | 39 | 88 |
| 2005 | 39 | 77 |
| 2006 | 62 | 65 |
| 2007 | 62 | 81 |
| 2008 | 58 | 55 |
| 2009 | 61 | 77 |
| 2010 | 70 | 59 |
| 2011 | 59 | 59 |
| 2012 | 58 | 50 |
| 2013 | 82 | 24 |
| 2014 | 61 | 27 |
| 2015 | 42 | 39 |
| 2016 | 43 | 52 |
| 2017 | 59 | 82 |
| 2018 | 54 | 79 |
| 2019 | 82 | 52 |
| 2020 | 64 | 49 |
| 2021 | 37 | 45 |
| 2022 | 41 | 37 |
| 2023 | 38 | 35 |
| 2024 | 31 | 29 |
| 2025 | 17 | 25 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Color management apparatus, color management method, and program15 Sep 2026US 12,737,579 B2FUJIFILM Corporation
- Color matching control apparatus, control method therefor, and storage medium storing control program therefor that extract pixel values to generate a color matching parameter8 Sep 2026US 12,732,585 B2Canon Kabushiki Kaisha
- Color noise reduction based on guided filter using luminance information30 Jun 2026US 12,671,781 B2Cista System Corp.
- Local tone mapping of processed image30 Jun 2026US 12,671,782 B2Apple Inc.
- Device and method for applying a look-up table26 May 2026US 12,640,740 B2InterDigital CE Patent Holdings, SAS
- Color conversion method, color conversion device, and non-transitory computer-readable storage medium storing program3 Sep 2026US 2026/0261622 A1Seiko Epson Corporation
- Method and system for calculating color fastness of textile method27 Aug 2026US 2026/0254914 A1Dongguan Fengzhen Testing Equipment Co., Ltd.
- Image processing method, image processing apparatus, program, and conversion data2 Jul 2026US 2026/0189670 A1FUJIFILM Corporation
- Color patch and printing system25 Jun 2026US 2026/0181099 A1Komori Corporation
- Method and system for generating an image and its use to encode and encrypt information25 Jun 2026US 2026/0181100 A1Sgdl Innovation SA
Most cited
By later US patents
- YCBCR pulsed illumination scheme in a light deficient environment347US 9,516,239 B2DePuy Synthes Products, Inc. · 2016
- Linear interpolator for color correction246US 4,275,413 A1981
- Color converting apparatus for performing a three-dimensional color conversion of a colored picture in a color space with a small capacity of memory146US 5,504,821 AMatsushita Electric Industrial Co., Ltd. · 1996
- Color processing system141US 5,243,414 ATektronix, Inc. · 1993
- Color signal network system140US 5,146,328 AFuji Xerox Co., Ltd. · 1992