G03G 15/0241
By bringing charging powder particles into contact with the member to be
Official title: {by bringing charging powder particles into contact with the member to be charged, e.g. by means of a magnetic brush}
G03G15/0241 (By bringing charging powder particles into contact with the member to be) appears on 92 US grants and 27 published applications in this corpus.
Search patents in G03G- Granted patents
- 92
- Published applications
- 27
- Assignees
- 14
- Inventors
- 127
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
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| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
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| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
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| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 2 |
| 2002 | 3 | 4 |
| 2003 | 7 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 3 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus having sheet bonding apparatus29 Jul 2025US 12,372,910 B2Canon Kabushiki Kaisha
- Fabrication of 3D objects via direct powder deposition9 Nov 2021US 11,167,477 B1Xactiv, Inc.
- Powder transport apparatus15 Jun 2021US 11,036,162 B1FUJIFILM Business Innovation Corp.
- Charging member, charging device, process cartridge, and image forming apparatus1 Oct 2019US 10,429,758 B1Fuji Xerox Co., Ltd.
- Charging member, manufacturing method therefor, a process cartridge, and electrophotographic apparatus28 Aug 2018US 10,060,028 B2Canon Kabushiki Kaisha
- Image forming apparatus18 Jul 2024US 2024/0241463 A1Canon Kabushiki Kaisha
- Powder transport apparatus10 Jun 2021US 2021/0173327 A1Fuji Xerox Co., Ltd.
- Image forming method4 Feb 2021US 2021/0033994 A1Konica Minolta, Inc.
- Charging member, charging device, process cartridge, and image forming apparatus26 Sep 2019US 2019/0294072 A1Fuji Xerox Co., Ltd.
- Discharging member, and charge eliminating device/image forming apparatus including the discharging member28 Sep 2017US 2017/0277061 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Image forming apparatus having a charging member applying an electric charge through electrically conductive or electroconductive particles to the surface of a photosensitive or image bearing member50US 6,128,456 ACanon Kabushiki Kaisha · 2000
- Low voltage electrophotography with simultaneous photoreceptor charging, exposure and development31US 4,545,669 AXerox Corporation · 1985
- Magnetic brush for charging and cleaning an imaging surface21US 5,351,109 AKonica Corporation · 1994
- Image forming apparatus with charger of image carrier using magnetic brush19US 5,367,365 AKonica Corporation · 1994
- Image forming apparatus with a magnetic brush charger19US 5,426,489 AKonica Corporation · 1995