G03G 2215/1609
Corotron
G03G2215/1609 (Corotron) appears on 65 US grants and 25 published applications in this corpus.
Search patents in G03G- Granted patents
- 65
- Published applications
- 25
- Assignees
- 26
- Inventors
- 183
- Latest grant
- 23 Jun 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 15 | 0 |
| 1998 | 13 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 2 | 4 |
| 2007 | 3 | 8 |
| 2008 | 6 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Transfer assist members23 Jun 2015US 9,063,470 B2Xerox Corporation
- Transfer apparatus24 Jun 2014US 8,761,645 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus with charging device of corona type9 Apr 2013US 8,417,143 B2Canon Kabushiki Kaisha
- Tool for dicorotron wire assembly removal and storage5 Jun 2012US 8,193,495 B2Xerox Corporation
- Methods and apparatus for transferring a toner image via electrophotographics28 Jun 2011US 7,970,307 B2Ricoh Company, Ltd.
- Transfer assist members19 Feb 2015US 2015/0050054 A1Xerox Corporation
- Transfer Apparatus27 Sep 2012US 2012/0243918 A1Brother Kogyo Kabushiki Kaisha
- Image forming apparatus with charging device of corona type3 Jun 2010US 2010/0135682 A1Canon Kabushiki Kaisha
- Transfer apparatus, transfer method, and image forming apparatus8 Jan 2009US 2009/0010667 A1Ricoh Company, Ltd.
- Dicorotron wire assembly removal and storage tool18 Dec 2008US 2008/0307638 A1Xerox Corporation
Most cited
By later US patents
- Image forming device with transfer unit47US 5,717,980 AMinolta Co., Ltd. · 1998
- Transfer belt and electrophotographic apparatus35US 6,094,558 AHitachi Koki Co., Ltd. · 2000
- Image forming apparatus and cleaning device for transfer material conveyor belt19US 5,797,063 ARicoh Company, Ltd. · 1998
- Transfer material carrying member and image forming apparatus17US 5,601,913 ACanon Kabushiki Kaisha · 1997
- Image forming apparatus with low ozone generation and improved image quality17US 5,602,633 AKabushiki Kaisha Toshiba · 1997