H04N 2201/04722
On a photoconductive drum or belt
Official title: on a photoconductive drum or belt
H04N2201/04722 (On a photoconductive drum or belt) appears on 150 US grants and 75 published applications in this corpus.
Search patents in H04N- Granted patents
- 150
- Published applications
- 75
- Assignees
- 33
- Inventors
- 282
- Latest grant
- 5 May 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 4 |
| 2002 | 5 | 5 |
| 2003 | 4 | 9 |
| 2004 | 6 | 12 |
| 2005 | 7 | 9 |
| 2006 | 10 | 9 |
| 2007 | 3 | 9 |
| 2008 | 3 | 4 |
| 2009 | 8 | 1 |
| 2010 | 5 | 3 |
| 2011 | 4 | 4 |
| 2012 | 5 | 4 |
| 2013 | 4 | 2 |
| 2014 | 5 | 0 |
| 2015 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Registration adjustment method for image forming apparatus and image forming apparatus5 May 2015US 9,024,989 B2Sharp Kabushiki Kaisha
- Optical scanning device in image forming apparatus, and control method thereof5 May 2015US 9,025,197 B2Canon Kabushiki Kaisha
- Reflection sensor and image forming apparatus23 Dec 2014US 8,918,005 B2Fuji Xerox Co., Ltd.
- Image forming apparatus for performing image adjustment that reduces time to print when mark formation and printing are required at the same time29 Jul 2014US 8,792,132 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus29 Jul 2014US 8,792,149 B2Brother Kogyo Kabushiki Kaisha
- Reflection sensor and image forming apparatus18 Apr 2013US 2013/0094875 A1Fuji Xerox Co., Ltd.
- Registration adjustment method for image forming apparatus and image forming apparatus17 Jan 2013US 2013/0016169 A1Sharp Kabushiki Kaisha
- Image position detector and image forming device29 Nov 2012US 2012/0298845 A1Ricoh Company, Ltd.
- Image Forming Apparatus27 Sep 2012US 2012/0243014 A1Brother Kogyo Kabushiki Kaisha
- Light Source Control Circuit, Image Forming Apparatus, And Light Source Control Method7 Jun 2012US 2012/0140013 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Multiimage forming apparatus87US 4,903,067 ACanon Kabushiki Kaisha · 1990
- Color electrographic recording apparatus86US 4,569,584 AXerox Corporation · 1986
- Image forming apparatus which corrects deviations between images of different colors70US 6,295,435 B1Ricoh Company, Ltd. · 2001
- Image forming apparatus66US 5,995,802 AFuji Xerox Co., Ltd. · 1999
- Apparatus for forming superimposed images62US 4,912,491 ACanon Kabushiki Kaisha · 1990