G03G 5/0694
Containing more than three azo groups
Official title: {containing more than three azo groups}
G03G5/0694 (Containing more than three azo groups) appears on 35 US grants and 5 published applications in this corpus.
Search patents in G03G- Granted patents
- 35
- Published applications
- 5
- Assignees
- 15
- Inventors
- 75
- Latest grant
- 13 Feb 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrophotographic photoconductor, process for forming an image, image forming apparatus and process cartridge for the same13 Feb 2007US 7,175,958 B2Ricoh Company, Ltd.
- Electrophotographic photoconductor, process for forming an image, image forming apparatus and a process cartridge for the same1 Feb 2005US 6,849,367 B2Ricoh Company, Ltd.
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus10 Aug 2004US 6,773,856 B2Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus15 Oct 2002US 6,465,143 B2Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus21 Mar 2000US 6,040,100 ACanon Kabushiki Kaisha
- Electrophotographic photoconductor, process for forming an image, image forming apparatus and process cartridge for the same26 May 2005US 2005/0112487 A1Ricoh Company, Ltd.
- Electrophotographic photoconductor, process for forming an image, image forming apparatus and a process cartridge for the same9 Oct 2003US 2003/0190540 A1Ricoh Company, Ltd.
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus31 Jul 2003US 2003/0143475 A1Canon Kabushiki Kaisha
- Blue diode laser sensitive photoreceptor13 Mar 2003US 2003/0049551 A1Xerox Corporation
- Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus23 May 2002US 2002/0061454 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic photoreceptor comprising azo compounds51US 4,618,555 AMitsubishi Chemical Ind., Ltd. · 1986
- Electrophotographic receptors with charge generating azo-substituted tetraphenyl-thiophene or thiophene 1,1-dioxide31US 4,808,503 AMitsui Toatsu Chemicals, Inc. · 1989
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus26US 6,773,856 B2Canon Kabushiki Kaisha · 2004
- Electrophotographic photosensitive member containing an azocalixn!arene compound and electrophotographic apparatus and process cartridge comprising the photosensitive member25US 5,811,212 ACanon Kabushiki Kaisha · 1998
- Photosensitive member for electrophotography20US 4,743,523 ACanon Kabushiki Kaisha · 1988