G03G 2215/0495
Plural charge levels of latent image produced
Official title: Plural charge levels of latent image produced, e.g. trilevel
G03G2215/0495 (Plural charge levels of latent image produced) appears on 38 US grants and 14 published applications in this corpus.
Search patents in G03G- Granted patents
- 38
- Published applications
- 14
- Assignees
- 12
- Inventors
- 78
- Latest grant
- 4 Dec 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus having a photosenstive member of high capacitance4 Dec 2012US 8,326,165 B2Canon Kabushiki Kaisha
- Image forming apparatus that controls an exposure amount to expose an image bearing member so that an electric intensity for forming a first image formed of an equal or smaller number of consecutive dots than a predetermined number in a predetermined direction is higher than an electric intensity for forming a second image formed of a larger number of consecutive dots than the predetermined number18 Sep 2012US 8,269,811 B2Canon Kabushiki Kaisha
- Image forming apparatus and image forming method which controls the exposing of an image carrier to change the exposure time period in the main scanning direction18 Oct 2011US 8,041,241 B2Ricoh Company, Ltd.
- Tri-level xerography for hypochromatic colorants30 Aug 2011US 8,007,969 B2Xerox Corporation
- Image forming apparatus that controls an exposure amount intensity for forming a first image formed of an equal or smaller number of consecutive dots than a predetermined number in a predetermined direction is higher than an electric intensity for forming a second5 Apr 2011US 7,920,157 B2Canon Kabushiki Kaisha
- Image forming apparatus13 Dec 2012US 2012/0315057 A1Canon Kabushiki Kaisha
- Image forming apparatus16 Jun 2011US 2011/0142464 A1Canon Kabushiki Kaisha
- Tri-level xerography for hypochromatic colorants10 Dec 2009US 2009/0305154 A1Xerox Corporation
- Image forming apparatus18 Jun 2009US 2009/0154946 A1Canon Kabushiki Kaisha
- Four drum, eight color tandem xerographic architecture2 Oct 2008US 2008/0240788 A1Xerox Corporation
Most cited
By later US patents
- Method for two-color development of a xerographic charge pattern154US 4,078,929 AXerox Corporation · 1978
- Tri level xerography using a MICR toner in combination with a non-MICR toner41US 4,901,114 AXerox Corporation · 1990
- Highlight color imaging with first image neutralization using a scorotron33US 4,868,611 AXerox Corporation · 1989
- Process and apparatus for achieving customer selectable colors in an electrostatographic imaging system30US 5,557,393 AXerox Corporation · 1996
- Color image forming method and color image forming device30US 6,904,255 B2Fuji Xerox Co., Ltd. · 2005