H04N 1/52
Circuits or arrangements for halftone screening
H04N1/52 (Circuits or arrangements for halftone screening) appears on 1,045 US grants and 736 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,045
- Published applications
- 736
- Assignees
- 205
- Inventors
- 1,251
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 13 | 0 |
| 1988 | 4 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 15 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 19 | 0 |
| 1995 | 24 | 0 |
| 1996 | 19 | 0 |
| 1997 | 20 | 0 |
| 1998 | 44 | 0 |
| 1999 | 31 | 0 |
| 2000 | 32 | 0 |
| 2001 | 22 | 5 |
| 2002 | 27 | 30 |
| 2003 | 29 | 42 |
| 2004 | 27 | 58 |
| 2005 | 36 | 60 |
| 2006 | 55 | 39 |
| 2007 | 35 | 35 |
| 2008 | 38 | 28 |
| 2009 | 39 | 36 |
| 2010 | 30 | 34 |
| 2011 | 41 | 29 |
| 2012 | 20 | 26 |
| 2013 | 38 | 30 |
| 2014 | 40 | 22 |
| 2015 | 25 | 20 |
| 2016 | 19 | 31 |
| 2017 | 34 | 36 |
| 2018 | 34 | 39 |
| 2019 | 52 | 37 |
| 2020 | 39 | 26 |
| 2021 | 11 | 20 |
| 2022 | 25 | 19 |
| 2023 | 16 | 19 |
| 2024 | 18 | 7 |
| 2025 | 6 | 4 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Image processing apparatus, printing apparatus, and image processing method for converting image data into dot data19 Aug 2025US 12,395,600 B2Seiko Epson Corporation
- Method and system for presenting digital art images on digital art frames with electronic paper displays27 May 2025US 12,315,416 B2INKcoming
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- Information processing system, non-transitory computer readable medium and method10 Sep 2026US 2026/0268107 A1FUJIFILM Business Innovation Corp.
- Method and system for calculating color fastness of textile method27 Aug 2026US 2026/0254914 A1Dongguan Fengzhen Testing Equipment Co., Ltd.
- Color patch and printing system25 Jun 2026US 2026/0181099 A1Komori Corporation
- Copy Detection Using Line Art Features and Encoded Signals1 Jan 2026US 2026/0006142 A1
- Method and apparatus for selectively presenting content25 Dec 2025US 2025/0391126 A1West Texas Technology Partners, LLC
Most cited
By later US patents
- Halftone correction systems163US 5,854,882 AUniversity of Rochester · 1998
- Document segmentation system163US 5,956,468 ASeiko Epson Corporation · 1999
- Interlace printing process160US 4,967,203 AHewlett-Packard Company · 1990
- Three-dimensional molding apparatus and three-dimensional molding method142US 6,896,839 B2Minolta Co., Ltd. · 2005
- Microelectronic programmable device and methods of forming and programming the same137US 6,635,914 B2Axon Technologies Corporation · 2003