G03D 9/00
Diffusion development apparatus
G03D9/00 (Diffusion development apparatus) appears on 107 US grants and 4 published applications in this corpus.
Search patents in G03D- Granted patents
- 107
- Published applications
- 4
- Assignees
- 19
- Inventors
- 137
- Latest grant
- 30 Oct 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 16 | 0 |
| 1986 | 12 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 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 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Developer spreading device, printer, and digital camera with printer30 Oct 2018US 10,114,273 B2FUJIFILM Corporation
- 360-° image photographing apparatus21 Oct 2008US 7,440,691 B2Hitachi, Ltd.
- Photographic film assemblages of the self-developing type having removable portions18 Sep 2001US 6,291,128 B1Polaroid Corporation
- Photographic processing method14 Dec 1999US 6,000,863 APolaroid Corporation
- System for optical dry processing of spooled photographic film30 Nov 1999US 5,993,080 APolaroid Corporation
- Developer spreading device, printer, and digital camera with printer16 Aug 2018US 2018/0231874 A1FUJIFILM Corporation
- 360-° Image photographing apparatus8 Mar 2007US 2007/0053679 A1Hitachi, Ltd.
- Image-forming device having an exposing/processing platen8 Mar 2007US 2007/0053686 A1Eastman Kodak Company
- Pressure development apparatus having a pressure roller with a non-metallic layer9 Feb 2006US 2006/0029387 A1Eastman Kodak Company
Most cited
By later US patents
- Method of processing film unit with processing solution wave front modifying means78US 3,948,662 APolaroid Corporation · 1976
- Photographic film processing apparatus having disengagement means26US 3,943,786 APolaroid Corporation · 1976
- Method of and apparatus for controlling the application of processing fluid25US 4,605,297 APolaroid Corporation · 1986
- Image transfer apparatus and method25US 4,659,927 AFuji Photo Film Co., Ltd. · 1987
- Film assemblage of the self-developing type together with apparatus for processing thereof23US 4,145,133 APolaroid Corporation · 1979