G03F 5/22
Combining several screens
Official title: combining several screens; Elimination of moiré
G03F5/22 (Combining several screens) appears on 34 US grants and 3 published applications in this corpus.
Search patents in G03F- Granted patents
- 34
- Published applications
- 3
- Assignees
- 16
- Inventors
- 30
- Latest grant
- 27 Jan 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrophotographic image output device27 Jan 2015US 8,941,901 B2Ricoh Company, Ltd.
- Expanded color space11 Apr 2006US 7,027,191 B1Hewlett-Packard Development Company, L. P.
- Devices and methods for offset and similar printing systems24 Feb 2004US 6,697,170 B2
- Method for application of colors and tonalities to various surfaces30 Sep 2003US 6,628,425 B1
- Use of frequency-modulated screening for lightening offset printing surfaces18 Jun 2002US 6,406,833 B1
Most cited
By later US patents
- Method of producing multidimensional lithographic separations free of moire interference51US 5,488,451 ANational Graphics, Inc. · 1996
- Apparatus for dot matrix recording34US 4,084,259 AThe Mead Corporation · 1978
- Screening system and method for color reproduction in offset printing33US 5,155,599 AMiles Inc. · 1992
- Apparatus and method for printing color images33US 5,396,839 ACol1or · 1995
- Method of producing multidimensional lithographic separations free of moire interference31US 5,617,178 ANational Graphics, Inc. · 1997