G03G 13/045
Charging or discharging distinct portions of the charge pattern on the recording
Official title: Charging or discharging distinct portions of the charge pattern on the recording material, e.g. discharging non-image areas or contrast enhancement (G03G13/34, G03G21/06 take precedence)
G03G13/045 (Charging or discharging distinct portions of the charge pattern on the recording) appears on 20 US grants and 7 published applications in this corpus.
Search patents in G03G- Granted patents
- 20
- Published applications
- 7
- Assignees
- 14
- Inventors
- 40
- Latest grant
- 8 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pattern discharge to photoconductor8 Mar 2022US 11,269,284 B2Hewlett-Packard Development Company, L. P.
- Electrophotographic photoreceptor, manufacturing method of electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus16 Nov 2021US 11,175,599 B2Canon Kabushiki Kaisha
- Y-shaped brushes19 Oct 2021US 11,150,571 B2HP Indigo B. V.
- Discharging method for latent image bearer and image forming apparatus15 May 2018US 9,971,269 B2Ricoh Company, Ltd.
- Discharging light quantity adjusting device and image forming apparatus13 Mar 2018US 9,915,912 B2Fuji Xerox Co., Ltd.
- Pattern discharge to photoconductor15 Apr 2021US 2021/0109474 A1Hewlett-Packard Development Company, L. P.
- Y-shaped brushes25 Mar 2021US 2021/0088926 A1HP Indigo B. V.
- Electrophotographic photoreceptor, manufacturing method of electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus26 Mar 2020US 2020/0096883 A1Canon Kabushiki Kaisha
- Discharging method for latent image bearer and image forming apparatus23 Nov 2017US 2017/0336729 A1Ricoh Company, Ltd.
- Discharging light quantity adjusting device and image forming apparatus28 Sep 2017US 2017/0277063 A1Fuji Xerox Co., Ltd.
Most cited
By later US patents
- Electrostatic image forming method13US 4,628,017 ARicoh Company, Ltd. · 1986
- Method of electrophotography using low intensity exposive12US 4,256,820 ASavin Corporation · 1981
- Electrophotographic process and apparatus for making plural copies from a single image12US 4,407,918 AOlympus Optical Co., Ltd. · 1983
- Contrast of electrostatic latent images with a light flooding step11US 3,963,488 AGAF Corporation · 1976
- Two-color image forming apparatus that prevents fringe development8US 6,061,534 AHitachi Koki Co., Ltd. · 2000