H04N 1/6019
Using look-up tables
Official title: {using look-up tables (H04N1/6025 takes precedence)}
H04N1/6019 (Using look-up tables) appears on 619 US grants and 519 published applications in this corpus.
Search patents in H04N- Granted patents
- 619
- Published applications
- 519
- Assignees
- 140
- Inventors
- 800
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 2 |
| 2002 | 8 | 9 |
| 2003 | 9 | 13 |
| 2004 | 16 | 40 |
| 2005 | 14 | 35 |
| 2006 | 25 | 25 |
| 2007 | 25 | 28 |
| 2008 | 24 | 23 |
| 2009 | 24 | 29 |
| 2010 | 30 | 24 |
| 2011 | 25 | 16 |
| 2012 | 20 | 7 |
| 2013 | 20 | 6 |
| 2014 | 22 | 5 |
| 2015 | 7 | 11 |
| 2016 | 22 | 29 |
| 2017 | 34 | 56 |
| 2018 | 32 | 42 |
| 2019 | 41 | 22 |
| 2020 | 36 | 26 |
| 2021 | 16 | 15 |
| 2022 | 13 | 14 |
| 2023 | 18 | 13 |
| 2024 | 9 | 11 |
| 2025 | 7 | 13 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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
- Optimization of image perception for color vision deficiencies4 Nov 2025US 12,462,773 B1Baylor University
- Image processing method, image processing apparatus, program, and conversion data2 Jul 2026US 2026/0189670 A1FUJIFILM Corporation
- Method and system for generating an image and its use to encode and encrypt information25 Jun 2026US 2026/0181100 A1Sgdl Innovation SA
- Efficient color conversion using multiple lookup tables26 Feb 2026US 2026/0059066 A1NVIDIA Corporation
- Information processing device, information processing method, and program12 Feb 2026US 2026/0044985 A1Sony Semiconductor Solutions Corporation
- Color map wrappers and packets8 Jan 2026US 2026/0010749 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- 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
- Image processing apparatus and image processing method134US 6,215,561 B1Seiko Epson Corporation · 2001
- System for correcting color images using tetrahedral interpolation over a hexagonal lattice125US 5,581,376 AXerox Corporation · 1996
- Color conversion apparatus120US 5,809,181 ACanon Information Systems Research Australia Pty. Ltd. · 1998
- Ink cartridge for compact printer system119US 6,238,043 B1Silverbrook Research Pty Ltd · 2001