G03G 5/067
Containing hetero rings
Official title: {containing hetero rings}
G03G5/067 (Containing hetero rings) appears on 169 US grants and 12 published applications in this corpus.
Search patents in G03G- Granted patents
- 169
- Published applications
- 12
- Assignees
- 48
- Inventors
- 300
- Latest grant
- 11 Aug 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 12 | 0 |
| 1984 | 11 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 15 | 0 |
| 1991 | 9 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 4 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus11 Aug 2015US 9,104,098 B2Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus21 Jul 2015US 9,086,640 B2Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, method of producing the same, process cartridge, and image-forming apparatus31 May 2011US 7,951,516 B2Fuji Xerox Co., Ltd.
- Amine compound, manufacturing method thereof, electrophotographic photoreceptor using amine compound and image forming apparatus having the same21 Jul 2009US 7,563,548 B2Sharp Kabushiki Kaisha
- Photoreceptors9 Dec 2008US 7,462,431 B2Xerox Corporation
- Electrophotographic Photoreceptor, Electrophotographic Photoreceptor Cartridge, and Image Formation Device2 Mar 2023US 2023/0068130 A1Mitsubishi Chemical Corporation
- Undercoat layer, method for manufacturing undercoat layer, electrophotographic photoreceptor, and image forming apparatus16 Sep 2021US 2021/0286277 A1KYOCERA Document Solutions Inc.
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus6 Mar 2014US 2014/0065530 A1Canon Kabushiki Kaisha
- Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus6 Mar 2014US 2014/0065531 A1Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, method of producing the same, process cartridge, and image-forming apparatus1 May 2008US 2008/0102389 A1Fuji Xerox Co., Ltd.
Most cited
By later US patents
- Hydrazone containing charge transport element and photoconductive process of using same191US 4,150,987 AInternational Business Machines Corporation · 1979
- Electrophotographic photoconductor containing disazo and trisazo pigments82US 5,578,405 ARicoh Company, Ltd. · 1996
- Photosensitive elements for electrophotography55US 4,278,746 AKonishiroku Photo Industry Co., Ltd. · 1981
- Electrophotographic photosensitive member with hydrazone compound52US 4,399,207 ACanon Kabushiki Kaisha · 1983
- Styryl pyrazoline compounds, process for production thereof, and electrophoto graphic material comprising said compounds48US 4,315,982 ACopyer Co., Ltd. · 1982