G06K 15/1881
Halftoning
Official title: {Halftoning (halftoning of still images in general H04N1/405, H04N1/52)}
G06K15/1881 (Halftoning) appears on 282 US grants and 293 published applications in this corpus.
Search patents in G06K- Granted patents
- 282
- Published applications
- 293
- Assignees
- 68
- Inventors
- 417
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 6 |
| 2012 | 2 | 11 |
| 2013 | 7 | 16 |
| 2014 | 31 | 33 |
| 2015 | 31 | 37 |
| 2016 | 44 | 36 |
| 2017 | 31 | 16 |
| 2018 | 21 | 21 |
| 2019 | 21 | 11 |
| 2020 | 24 | 20 |
| 2021 | 7 | 20 |
| 2022 | 24 | 14 |
| 2023 | 19 | 13 |
| 2024 | 8 | 10 |
| 2025 | 8 | 12 |
| 2026 | 2 | 11 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Determining printing fluid amounts based on colorant boundaries29 Sep 2026US 12,748,936 B2Hewlett-Packard Development Company, L. P.
- Image forming apparatus performing halftone processing shifting scan line start position in main-scan direction when scan lines are shifted in sub-scan direction relative to target21 Jul 2026US 12,689,697 B2Canon Kabushiki Kaisha
- Printer and non-transitory computer-readable storage medium28 Oct 2025US 12,456,027 B2Brother Kogyo Kabushiki Kaisha
- Image processing apparatus, threshold matrix generation apparatus, control methods therefor, and non-transitory computer-readable storage medium26 Aug 2025US 12,397,548 B2Canon Kabushiki Kaisha
- Vectorized interleave of bit planes29 Jul 2025US 12,373,661 B2Ricoh Company, Ltd.
- 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.
- Sheetside post-processing mechanism10 Sep 2026US 2026/0268106 A1Ricoh Company, Ltd.
- Information processing system, non-transitory computer readable medium and method10 Sep 2026US 2026/0268107 A1FUJIFILM Business Innovation Corp.
- Printer calibration mechanism27 Aug 2026US 2026/0249631 A1Ricoh Company, Ltd.
Most cited
By later US patents
- 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
- Image processing apparatus, method, and computer storage medium configured for line correction based on a number of linked dots25US 9,485,388 B2Canon Kabushiki Kaisha · 2016
- Image forming apparatus and its control method20US 7,684,079 B2Canon Kabushiki Kaisha · 2010