G03G 2221/0063
Cleaning device for foreign matter separate from residual toner cleaning device
G03G2221/0063 (Cleaning device for foreign matter separate from residual toner cleaning device) appears on 34 US grants and 24 published applications in this corpus.
Search patents in G03G- Granted patents
- 34
- Published applications
- 24
- Assignees
- 16
- Inventors
- 80
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 5 |
| 2024 | 3 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Developing cartridge having a sheet member provided at end portion of a developing roller17 Feb 2026US 12,554,214 B2Canon Kabushiki Kaisha
- Image forming apparatus15 Oct 2024US 12,117,757 B2Canon Kabushiki Kaisha
- Image forming apparatus9 Jul 2024US 12,032,322 B2Canon Kabushiki Kaisha
- Image forming apparatus13 Feb 2024US 11,899,381 B2FUJIFILM Business Innovation Corp.
- Cartridge and developing cartridge including a frame and sheet member provided at end side of the frame12 Dec 2023US 11,841,647 B2Canon Kabushiki Kaisha
- Process unit and image forming apparatus9 Apr 2026US 2026/0099109 A1Canon Kabushiki Kaisha
- Image forming apparatus12 Sep 2024US 2024/0302785 A1Canon Kabushiki Kaisha
- Electrostatic collecting apparatus, image forming apparatus, and cleaning apparatus18 Jul 2024US 2024/0241462 A1Canon Kabushiki Kaisha
- Process cartridge and developing cartridge22 Feb 2024US 2024/0061362 A1Canon Kabushiki Kaisha
- Sensor cleaning device and image forming apparatus28 Sep 2023US 2023/0305479 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Image forming apparatus having an electrically charged paper dust removing brush32US 6,304,735 B1Brother Kogyo Kabushiki Kaisha · 2001
- Image forming apparatus with developing and cleaning system23US 5,148,219 AKabushiki Kaisha Toshiba · 1992
- Cleanerless electrographic imaging device23US 5,587,774 AFujitsu Limited · 1996
- Cleanerless image forming apparatus using an electrophotographic process19US 5,701,559 AKabushiki Kaisha TEC · 1997
- Cleanerless image forming apparatus13US 5,294,964 AMurata Kikai Kabushiki Kaisha · 1994