G03G 13/09
Using magnetic brush
Official title: using magnetic brush
G03G13/09 (Using magnetic brush) appears on 286 US grants and 44 published applications in this corpus.
Search patents in G03G- Granted patents
- 286
- Published applications
- 44
- Assignees
- 50
- Inventors
- 603
- Latest grant
- 18 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 14 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 17 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 15 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 15 | 0 |
| 1996 | 17 | 0 |
| 1997 | 11 | 0 |
| 1998 | 17 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 5 |
| 2002 | 7 | 13 |
| 2003 | 7 | 15 |
| 2004 | 12 | 4 |
| 2005 | 8 | 1 |
| 2006 | 4 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Developing device18 Jun 2019US 10,324,394 B2Canon Kabushiki Kaisha
- Developing device and image forming apparatus8 Nov 2016US 9,488,930 B2KYOCERA Document Solutions Inc.
- Developing device, image forming apparatus and image forming method18 Nov 2014US 8,892,009 B2Fuji Xerox Co., Ltd.
- Image forming method using trickle developing system, developer used for the same, manufacturing method thereof, and image forming apparatus4 Jan 2011US 7,862,977 B2Konica Minolta Business Technologies, Inc.
- Developing method for an image forming apparatus and developing device using the same21 Nov 2006US 7,139,517 B2Ricoh Company, Ltd.
- Controlling supply of magnetic material3 Feb 2022US 2022/0035272 A1Hewlett-Packard Development Company, L. P.
- Developing device9 Aug 2018US 2018/0224766 A1Canon Kabushiki Kaisha
- Developing device and image forming apparatus26 May 2016US 2016/0147173 A1KYOCERA Document Solutions Inc.
- Developing device, image forming apparatus and image forming method23 Jan 2014US 2014/0023409 A1Fuji Xerox Co., Ltd.
- Two-component developer, replenishing developer, and image-forming method using the developers1 Oct 2009US 2009/0246675 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Magnetic developing method under A.C. electrical bias and apparatus therefor77US 4,292,387 ACanon Kabushiki Kaisha · 1981
- Developing device for an image forming apparatus and toner cartridge54US 5,659,860 ARicoh Company, Ltd. · 1997
- Extended life development system43US 4,614,165 AXerox Corporation · 1986
- Magnetic developer, comprising spherical particles magnetic42US 5,137,796 ACanon Kabushiki Kaisha · 1992
- Electrophotographic process with magnetic brush development using semiconductive ferrite carriers38US 4,640,880 AHitachi, Ltd. · 1987