G06K 15/1872
Image enhancement
Official title: {Image enhancement}
G06K15/1872 (Image enhancement) appears on 884 US grants and 967 published applications in this corpus.
Search patents in G06K- Granted patents
- 884
- Published applications
- 967
- Assignees
- 134
- Inventors
- 1,295
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 4 |
| 2010 | 4 | 6 |
| 2011 | 0 | 18 |
| 2012 | 2 | 33 |
| 2013 | 23 | 61 |
| 2014 | 76 | 106 |
| 2015 | 126 | 133 |
| 2016 | 117 | 94 |
| 2017 | 102 | 73 |
| 2018 | 53 | 49 |
| 2019 | 66 | 46 |
| 2020 | 65 | 64 |
| 2021 | 36 | 56 |
| 2022 | 68 | 56 |
| 2023 | 63 | 41 |
| 2024 | 31 | 42 |
| 2025 | 19 | 44 |
| 2026 | 14 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Determining printing fluid amounts based on colorant boundaries29 Sep 2026US 12,748,936 B2Hewlett-Packard Development Company, L. P.
- Image processing apparatus, image processing method, and non-transitory computer-readable storage medium22 Sep 2026US 12,743,599 B2Canon Kabushiki Kaisha
- Digital flocking process15 Sep 2026US 12,734,842 B2Kornit Digital Ltd.
- Color management apparatus, color management method, and program15 Sep 2026US 12,737,579 B2FUJIFILM Corporation
- Code formation method and information code8 Sep 2026US 12,730,996 B2Denso Corporation
- Image forming apparatus, control method for the same, and storage medium8 Oct 2026US 2026/0310127 A1Canon Kabushiki Kaisha
- Liquid discharge apparatus, liquid discharge system, and liquid discharge method17 Sep 2026US 2026/0273961 A1
- Image processing mechanism17 Sep 2026US 2026/0278324 A1Ricoh Company, Ltd.
- Systems and methods for the generation and usage of authentication images in conjunction with low-resolution print devices17 Sep 2026US 2026/0281271 A1Proof Authentication Corporation
- Sheetside post-processing mechanism10 Sep 2026US 2026/0268106 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Fine line print enhancement65US 4,544,264 AInternational Business Machines Corporation · 1985
- Image processing method and image processing apparatus30US 5,450,208 AMatsushita Electric Industrial Co., Ltd. · 1995
- Halftone calibration mechanism28US 9,785,873 B2Ricoh Company, Ltd. · 2017
- Image processing apparatus, image processing method, printing medium and storage medium27US 10,043,118 B2Canon Kabushiki Kaisha · 2018
- Image processing apparatus and method setting thresholds of dither patterns based on density range and generating binary data depending on thresholds of target pixels26US 9,087,291 B2Canon Kabushiki Kaisha · 2015