G03G 13/025
By contact, friction or induction
Official title: {by contact, friction or induction}
G03G13/025 (By contact, friction or induction) appears on 34 US grants and 10 published applications in this corpus.
Search patents in G03G- Granted patents
- 34
- Published applications
- 10
- Assignees
- 9
- Inventors
- 104
- Latest grant
- 25 Apr 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Charging unit25 Apr 2017US 9,632,444 B2Fuji Xerox Co., Ltd.
- Method for bias member charging a photoreceptor28 Oct 2014US 8,873,997 B2Xerox Corporation
- Image forming method and apparatus23 Dec 2003US 6,667,141 B2Ricoh Company, Ltd.
- Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layer25 Nov 2003US 6,654,579 B2Ricoh Company, Ltd.
- Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer23 Sep 2003US 6,625,409 B2Ricoh Company, Ltd.
- Charging unit30 Mar 2017US 2017/0090326 A1Fuji Xerox Co., Ltd.
- Method for bias member charging a photoreceptor29 May 2014US 2014/0147163 A1Xerox Corporation
- Charging member, electrophotographic process cartridge, and electrophotographic apparatus29 Aug 2013US 2013/0223886 A1Canon Kabushiki Kaisha
- Image forming apparatus3 Apr 2003US 2003/0063923 A1Ricoh Company, Ltd.
- Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer13 Mar 2003US 2003/0049050 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Image forming apparatus including preselected range between charge injection layer and voltage potential120US 6,366,751 B1Ricoh Company, Ltd. · 2002
- Image forming method and apparatus51US 6,667,141 B2Ricoh Company, Ltd. · 2003
- Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer36US 6,625,409 B2Ricoh Company, Ltd. · 2003
- Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layer35US 6,654,579 B2Ricoh Company, Ltd. · 2003
- Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images27US 5,307,122 ACanon Kabushiki Kaisha · 1994