G03F 3/06
By masking
Official title: by masking
G03F3/06 (By masking) appears on 7 US grants and 1 published applications in this corpus.
Search patents in G03F- Granted patents
- 7
- Published applications
- 1
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 8 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Mask element precursor and relief image-forming system8 Sep 2020US 10,768,520 B2Miraclon Corporation
- Tone rendition of halfstone images by projection exposure31 Oct 1995US 5,462,841 AAgfa-Gevaert
- Cut mask preparation method and apparatus26 Sep 1995US 5,454,050 ADai Nippon Insatsu Kabushiki Kaisha
- Index marking article for superposed sheets10 Apr 1990US 4,915,995 A
- Photographic masks for tonal correction8 Nov 1988US 4,783,385 AE. I. Du Pont de Nemours and Company
Most cited
By later US patents
- Cut mask preparation method and apparatus22US 5,454,050 ADai Nippon Insatsu Kabushiki Kaisha · 1995
- Method and an apparatus for color compensation exposure7US 4,362,383 ADainippon Seizo Kabushiki Kaisha · 1982
- Photographic masks for tonal correction2US 4,783,385 AE. I. Du Pont de Nemours and Company · 1988
- Index marking article for superposed sheets2US 4,915,995 A1990
- Tone rendition of halfstone images by projection exposure2US 5,462,841 AAgfa-Gevaert · 1995