G03G 21/0023
With electric bias
Official title: {with electric bias}
G03G21/0023 (With electric bias) appears on 47 US grants and 51 published applications in this corpus.
Search patents in G03G- Granted patents
- 47
- Published applications
- 51
- Assignees
- 17
- Inventors
- 140
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 8 |
| 2011 | 5 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 5 |
| 2015 | 3 | 2 |
| 2016 | 3 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 5 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus21 May 2024US 11,988,975 B2Canon Kabushiki Kaisha
- Image forming apparatus capable of reducing image defects caused by paper dust4 Jul 2023US 11,693,351 B2Canon Kabushiki Kaisha
- Image forming apparatus capable of suppressing toner fusion on a photosensitive member9 May 2023US 11,644,788 B2Canon Kabushiki Kaisha
- Cleaning a liquid electrophotographic printer15 Feb 2022US 11,249,435 B2HP Indigo B. V.
- Image forming apparatus executing maintenance mode for diagnosing cleaning member24 Aug 2021US 11,099,520 B2Brother Kogyo Kabushiki Kaisha
- Method of cleaning developing agent stuck to image carrier in image forming apparatus24 Sep 2026US 2026/0288057 A1Canon Kabushiki Kaisha
- Electrophotographic image-forming apparatus and process cartridge29 Jan 2026US 2026/0029743 A1Canon Kabushiki Kaisha
- Image forming apparatus6 Nov 2025US 2025/0341802 A1Canon Kabushiki Kaisha
- Image forming apparatus25 Sep 2025US 2025/0298346 A1Ricoh Company, Ltd.
- Image forming apparatus12 Jun 2025US 2025/0189918 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Image forming apparatus and cleaning method for contact-charging member55US 5,999,773 ARicoh Company, Ltd. · 1999
- Cartridge with member for fixing a member-to-be-energized38US 8,879,954 B2Canon Kabushiki Kaisha · 2014
- Electrophotographic device having a.c. biased cleaning member27US 4,875,081 AXerox Corporation · 1989
- Cleaning blade defect sensing arrangement24US 4,937,633 AXerox Corporation · 1990
- Cleaning blade assembly for electrophotography apparatus17US 4,947,216 A1990