G03G 2215/00654
Charging device
G03G2215/00654 (Charging device) appears on 50 US grants and 41 published applications in this corpus.
Search patents in G03G- Granted patents
- 50
- Published applications
- 41
- Assignees
- 23
- Inventors
- 113
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 3 | 0 |
| 2011 | 1 | 1 |
| 2012 | 3 | 3 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 3 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Charge-eliminating apparatus, image forming system, and charge adjusting apparatus30 Jun 2026US 12,668,445 B2Canon Kabushiki Kaisha
- Feeding apparatus with control of ion irradiation unit that irradiates sheet23 Apr 2024US 11,966,187 B2Canon Kabushiki Kaisha
- Static elimination device and medium processing device using the same8 Nov 2022US 11,493,872 B2FUJIFILM Business Innovation Corp.
- Electrophotographic apparatus, process cartridge and cartridge set14 Jun 2022US 11,360,405 B2Canon Kabushiki Kaisha
- Image forming apparatus10 May 2022US 11,327,420 B2FUJIFILM Business Innovation Corp.
- Image forming system14 May 2026US 2026/0133530 A1Canon Kabushiki Kaisha
- Static eliminator, image forming system, and electric charge adjustment apparatus19 Mar 2026US 2026/0079422 A1Canon Kabushiki Kaisha
- Image forming apparatus including charge removing apparatus and image forming apparatus including charge application apparatus8 Jan 2026US 2026/0010104 A1Canon Kabushiki Kaisha
- Charge-eliminating apparatus, image forming system, and charge adjusting apparatus19 Jun 2025US 2025/0197144 A1Canon Kabushiki Kaisha
- Electrophotographic photoreceptor for contact charging with dc voltage, process cartridge, and image forming apparatus27 Mar 2025US 2025/0102935 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Electrostatographic single-pass multiple-station printer for forming an image on a web28US 5,455,668 AXeikon NV · 1995
- Image forming apparatus provided with an attraction charger controlled by one or more ambient conditions27US 5,276,483 ACanon Kabushiki Kaisha · 1994
- Transfer-separation device and image forming apparatus20US 7,773,928 B2Ricoh Company, Ltd. · 2010
- Apparatus and method for neutralizing static charges in sheet/web feeding devices19US 4,027,201 AInternational Business Machines Corporation · 1977
- Electrostatographic single-pass multiple station printer for forming images on a web19US 5,461,470 AXeikon NV · 1995