G03C 1/061
Hydrazine compounds
Official title: {Hydrazine compounds}
G03C1/061 (Hydrazine compounds) appears on 444 US grants and 68 published applications in this corpus.
Search patents in G03C- Granted patents
- 444
- Published applications
- 68
- Assignees
- 22
- Inventors
- 364
- Latest grant
- 15 Feb 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 14 | 0 |
| 1989 | 16 | 0 |
| 1990 | 31 | 0 |
| 1991 | 25 | 0 |
| 1992 | 22 | 0 |
| 1993 | 34 | 0 |
| 1994 | 24 | 0 |
| 1995 | 31 | 0 |
| 1996 | 25 | 0 |
| 1997 | 28 | 0 |
| 1998 | 32 | 0 |
| 1999 | 33 | 0 |
| 2000 | 24 | 0 |
| 2001 | 21 | 7 |
| 2002 | 18 | 13 |
| 2003 | 14 | 19 |
| 2004 | 12 | 10 |
| 2005 | 2 | 5 |
| 2006 | 4 | 5 |
| 2007 | 9 | 8 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Silver halide photographic light-sensitive material15 Feb 2011US 7,887,998 B2FUJIFILM Corporation
- Silver halide photographic light-sensitive material4 Dec 2007US 7,303,851 B2FUJIFILM Corporation
- Method of forming an image11 Sep 2007US 7,267,934 B2Konica Minolta Medical & Graphic, Inc.
- Photothermographic material and image forming method4 Sep 2007US 7,264,920 B2FUJIFILM Corporation
- Photothermographic material21 Aug 2007US 7,258,970 B2FUJIFILM Corporation
- Image Forming Method14 Aug 2008US 2008/0193884 A1Konica Minolta Medical & Graphic, Inc.
- Silver halide photographic light-sensitive material27 Sep 2007US 2007/0224536 A1FUJIFILM Corporation
- Photothermographic material27 Sep 2007US 2007/0224554 A1FUJIFILM Corporation
- Heat developable photosensitive material including a combination of specified reducing agents31 May 2007US 2007/0122755 A1
- Photothermographic material3 May 2007US 2007/0099132 A1
Most cited
By later US patents
- Silver halide photographic materials72US 4,999,276 AFuji Photo Film Co., Ltd. · 1991
- Silver halide photographic materials56US 5,122,445 AFuji Photo Film Co., Ltd. · 1992
- Photographic element comprising an ethyleneoxy-substituted amino compound and process adapted to provide high constrast development50US 4,975,354 AEastman Kodak Company · 1990
- Acrylonitrile compounds as co-developers for black-and-white photothermographic and thermographic elements48US 5,545,515 AMinnesota Mining and Manufacturing Company · 1996
- Hydrazide compounds useful as co-developers for black-and-white photothermographic elements47US 5,496,695 AMinnesota Mining and Manufacturing Company · 1996