H04N 1/32256
In halftone data
Official title: {in halftone data}
H04N1/32256 (In halftone data) appears on 128 US grants and 113 published applications in this corpus.
Search patents in H04N- Granted patents
- 128
- Published applications
- 113
- Assignees
- 49
- Inventors
- 176
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 7 |
| 2003 | 1 | 4 |
| 2004 | 8 | 2 |
| 2005 | 2 | 4 |
| 2006 | 7 | 10 |
| 2007 | 4 | 5 |
| 2008 | 5 | 11 |
| 2009 | 4 | 10 |
| 2010 | 6 | 3 |
| 2011 | 11 | 6 |
| 2012 | 8 | 5 |
| 2013 | 6 | 4 |
| 2014 | 3 | 4 |
| 2015 | 4 | 1 |
| 2016 | 8 | 5 |
| 2017 | 4 | 5 |
| 2018 | 5 | 2 |
| 2019 | 2 | 3 |
| 2020 | 5 | 4 |
| 2021 | 3 | 5 |
| 2022 | 5 | 2 |
| 2023 | 2 | 3 |
| 2024 | 4 | 5 |
| 2025 | 5 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of generating multiplexed image for printing based on color values gamut-mapped to inside maximum volume hyperrectangle8 Sep 2026US 12,732,586 B2Centre National De La Recherche Scientifique
- Halftone screens encoding signatures21 Apr 2026US 12,610,019 B2Hewlett-Packard Development Company, L. P.
- Halftone screen tiles9 Dec 2025US 12,495,118 B2Hewlett-Packard Development Company, L. P.
- Serialized digital watermarking for variable data printing22 Apr 2025US 12,282,979 B2Digimarc Corporation
- Signatures and labels in a blockchain derived from digital images25 Feb 2025US 12,236,300 B2BASF SE
- Security printing using mixed spot sizes in stochastic or frequency modulated halftone images22 May 2025US 2025/0168289 A1Xerox Corporation
- Method of generating a multiplexed image for printing17 Apr 2025US 2025/0126219 A1Centre National De La Recherche Scientifique
- Halftone screens encoding signatures25 Jul 2024US 2024/0251050 A1Hewlett-Packard Development Company, L. P.
- Signatures and labels in a blockchain derived from digital images13 Jun 2024US 2024/0193394 A1BASF SE
- Image processing apparatus, control method therefor, and storage medium storing control program therefor21 Mar 2024US 2024/0098208 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Digital watermarking using stochastic screen patterns338US 5,734,752 AXerox Corporation · 1998
- Methods and means for embedding machine readable digital data in halftone images304US 5,315,098 AXerox Corporation · 1994
- Method and apparatus for in-camera image marking and authentication291US 5,862,218 AFotoNation Limited · 1999
- Digital watermarking using conjugate halftone screens211US 5,790,703 AXerox Corporation · 1998
- Digital watermarking using phase-shifted stoclustic screens167US 6,252,971 B1Xerox Corporation · 2001