G03C 7/381
Heterocyclic compounds
Official title: {Heterocyclic compounds (G03C7/384 takes precedence)}
G03C7/381 (Heterocyclic compounds) appears on 335 US grants and 65 published applications in this corpus.
Search patents in G03C- Granted patents
- 335
- Published applications
- 65
- Assignees
- 20
- Inventors
- 365
- Latest grant
- 8 Jun 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 13 | 0 |
| 1989 | 11 | 0 |
| 1990 | 17 | 0 |
| 1991 | 22 | 0 |
| 1992 | 9 | 0 |
| 1993 | 24 | 0 |
| 1994 | 22 | 0 |
| 1995 | 26 | 0 |
| 1996 | 17 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 24 | 0 |
| 2000 | 27 | 0 |
| 2001 | 15 | 2 |
| 2002 | 14 | 11 |
| 2003 | 13 | 10 |
| 2004 | 7 | 13 |
| 2005 | 14 | 12 |
| 2006 | 12 | 4 |
| 2007 | 5 | 8 |
| 2008 | 1 | 4 |
| 2009 | 4 | 1 |
| 2010 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Silver halide color photographic light-sensitive material and color image-forming method8 Jun 2010US 7,732,124 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material and image forming method30 Mar 2010US 7,687,229 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material and color image-forming method3 Nov 2009US 7,611,829 B2FUJIFILM Corporation
- Silver halide photographic material and image forming method using the same22 Sep 2009US 7,592,133 B2FUJIFILM Corporation
- Silver halide color photographic light-sensitive material7 Jul 2009US 7,556,918 B2FUJIFILM Corporation
- Silver Halide color photographic light-sensitive material and color image-forming method21 May 2009US 2009/0130613 A1FUJIFILM Corporation
- Silver halide photographic material and image forming method using the same30 Oct 2008US 2008/0268385 A1FUJIFILM Corporation
- Silver halide color photographic light-sensitive material15 May 2008US 2008/0113305 A1FUJIFILM Corporation
- Method of increasing speed of silver halide color photosensitive material13 Mar 2008US 2008/0063977 A1FUJIFILM Corporation
- Silver halide photosensitive material and image-forming method using the same31 Jan 2008US 2008/0026333 A1FUJIFILM Corporation
Most cited
By later US patents
- Method of forming color image comprising heterocyclic magenta dye-forming coupler72US 4,540,654 AFuji Photo Film Co., Ltd. · 1985
- Method for forming magenta color image69US 4,500,630 AFuji Photo Film Co., Ltd. · 1985
- Compositions for the detection of hydrogen peroxide66US 4,089,747 AEastman Kodak Company · 1978
- Cyan image forming method and silver halide color photographic material containing cyan coupler56US 5,256,526 AFuji Photo Film Co., Ltd. · 1993
- Silver halide photographic material containing a magenta coupler and a compound that can break the aggregation of an azomethine dye55US 5,294,528 AFuji Photo Film Co., Ltd. · 1994