H04N 1/40081
Soft dot halftoning, i.e. producing halftone dots with gradual edges
Official title: {Soft dot halftoning, i.e. producing halftone dots with gradual edges}
H04N1/40081 (Soft dot halftoning, i.e. producing halftone dots with gradual edges) appears on 40 US grants and 20 published applications in this corpus.
Search patents in H04N- Granted patents
- 40
- Published applications
- 20
- Assignees
- 33
- Inventors
- 64
- Latest grant
- 28 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Spectral colorimetry apparatus and image forming apparatus to control the number of detection times28 Jul 2020US 10,728,399 B2Canon Kabushiki Kaisha
- Texture printing system19 May 2020US 10,659,657 B2KYOCERA Document Solutions Inc.
- Dithering in sRGB space14 Jan 2020US 10,536,608 B1Facebook Technologies, LLC
- Image processing apparatus and method thereof15 Aug 2017US 9,734,439 B2Canon Kabushiki Kaisha
- Computing array of high-resolution halftone pixel values by addressing halftone dot function and averaging values to determine value at printer resolution7 Feb 2017US 9,565,337 B1Eastman Kodak Company
- Texture printing system12 Mar 2020US 2020/0084340 A1KYOCERA Document Solutions Inc.
- Spectral colorimetry apparatus and image forming apparatus to control the number of detection times13 Jun 2019US 2019/0182387 A1Canon Kabushiki Kaisha
- Method and apparatus for generating dots in image reproduction10 Mar 2016US 2016/0072981 A1Beijing Founder Electronics Co., Ltd.
- Image processing apparatus and non-transitory computer readable recording medium storing an image processing program28 Jan 2016US 2016/0026906 A1KYOCERA Document Solutions Inc.
- Image processing apparatus and image processing program24 Dec 2015US 2015/0371124 A1Seiko Epson Corporation
Most cited
By later US patents
- Enhancement of video images by selective introduction of gray-scale pels74US 4,486,785 AInternational Business Machines Corporation · 1984
- Method and apparatus for forming gravure cells in a gravure cylinder67US 4,504,354 AGravure Research Institute, Inc. · 1985
- Image processing method for three-dimensional printing51US 8,705,144 B2Agfa Graphics NV · 2014
- Halftoning in a hyperacuity printer46US 5,410,414 AXerox Corporation · 1995
- Method for producing images on radiation sensitive recording mediums27US 4,365,275 ADelta Scan, Inc. · 1982