G03G 2215/028
Using pointed electrodes
Official title: using pointed electrodes
G03G2215/028 (Using pointed electrodes) appears on 84 US grants and 65 published applications in this corpus.
Search patents in G03G- Granted patents
- 84
- Published applications
- 65
- Assignees
- 27
- Inventors
- 184
- Latest grant
- 20 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 4 |
| 2005 | 3 | 7 |
| 2006 | 10 | 8 |
| 2007 | 2 | 8 |
| 2008 | 4 | 9 |
| 2009 | 5 | 10 |
| 2010 | 9 | 5 |
| 2011 | 7 | 7 |
| 2012 | 6 | 2 |
| 2013 | 1 | 1 |
| 2014 | 6 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Imaging device components comprised of hydrophobic carbon nanotubes20 Nov 2018US 10,133,204 B2Xerox Corporation
- Imaging device components comprised of hydrophobic carbon nanotubes15 Nov 2016US 9,494,888 B2Xerox Corporation
- Image forming apparatus with holding unit for charging electrode31 May 2016US 9,354,539 B1Kabushiki Kaisha Toshiba
- Charging device provided with a non-contact type discharge electrode and image forming apparatus including the charging device24 Feb 2015US 8,965,238 B2Sharp Kabushiki Kaisha
- Imaging device components comprised of hydrophobic carbon nanotubes23 Sep 2014US 8,840,998 B2Xerox Corporation
- Electrification device, process cartridge, and electrophotographic image forming apparatus15 Jan 2026US 2026/0016764 A1Canon Kabushiki Kaisha
- Imaging device components comprised of hydrophobic carbon nanotubes8 Dec 2016US 2016/0357124 A1Xerox Corporation
- Imaging device components comprised of hydrophobic carbon nanotubes25 Dec 2014US 2014/0376964 A1Xerox Corporation
- Image forming apparatus and cleaning control method30 May 2013US 2013/0136486 A1Sharp Kabushiki Kaisha
- Electrostatic charger and image forming apparatus26 Jul 2012US 2012/0189348 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Pin corotron and scorotron assembly23US 4,725,732 AXerox Corporation · 1988
- Charging unit19US 5,666,605 AKonica Corporation · 1997
- Corona discharge element17US 3,959,690 AHoechst Aktiengesellschaft · 1976
- Corona charger for image forming apparatus providing uniform surface charge of a recording medium17US 5,367,366 ASharp Kabushiki Kaisha · 1994
- Image forming apparatus with charging device having projecting zip discharge electrode and improved parameters17US 5,666,604 AMinolta Co., Ltd. · 1997