G03G 5/0681
Containing hetero rings in the part of the molecule between the azo-groups
Official title: {containing hetero rings in the part of the molecule between the azo-groups}
G03G5/0681 (Containing hetero rings in the part of the molecule between the azo-groups) appears on 151 US grants and 20 published applications in this corpus.
Search patents in G03G- Granted patents
- 151
- Published applications
- 20
- Assignees
- 30
- Inventors
- 240
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 18 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 14 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 3 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 1 |
| 2012 | 3 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Azo pigment, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus25 Mar 2010US 2010/0075239 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic apparatus with photoreceptor having undercoat layer, containing an electronic transporting pigment and reactive organometallic compound116US 5,815,776 AFuji Xerox Co., Ltd. · 1998
- Imaging members with bichromophoric bisazo perylene photoconductive materials64US 5,077,161 AXerox Corporation · 1991
- Positively-chargeable single-layered type electrophotographic photoconductor64US 5,492,784 ARicoh Company, Ltd. · 1996
- Electrophotographic photosensitive member with hydrazone compound52US 4,399,207 ACanon Kabushiki Kaisha · 1983
- Electrophotographic photoconductor, image forming apparatus, and process cartridge using the photoconductor48US 6,492,079 B2Ricoh Company, Ltd. · 2002