G03G 15/025
By bringing a charging member in the vicinity with the member to
Official title: {by bringing a charging member in the vicinity with the member to be charged, e.g. proximity charging, forming microgap}
G03G15/025 (By bringing a charging member in the vicinity with the member to) appears on 89 US grants and 92 published applications in this corpus.
Search patents in G03G- Granted patents
- 89
- Published applications
- 92
- Assignees
- 22
- Inventors
- 192
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 3 |
| 2002 | 1 | 4 |
| 2003 | 3 | 5 |
| 2004 | 4 | 2 |
| 2005 | 3 | 6 |
| 2006 | 8 | 12 |
| 2007 | 1 | 10 |
| 2008 | 7 | 8 |
| 2009 | 10 | 6 |
| 2010 | 4 | 1 |
| 2011 | 5 | 4 |
| 2012 | 3 | 8 |
| 2013 | 3 | 1 |
| 2014 | 3 | 1 |
| 2015 | 4 | 2 |
| 2016 | 2 | 3 |
| 2017 | 0 | 0 |
| 2018 | 4 | 3 |
| 2019 | 2 | 3 |
| 2020 | 3 | 4 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus1 Jul 2025US 12,346,037 B2Canon Kabushiki Kaisha
- Image forming apparatus with charge eliminating needle protection cover that maintains constant interval between the needle and a sheet8 Oct 2024US 12,111,584 B2KYOCERA Document Solutions Inc.
- Charging member having a surface layer comprising urethane foam14 May 2024US 11,982,949 B2Hewlett-Packard Development Company, L. P.
- Gap adjustment of non-contact charging roller27 Sep 2022US 11,454,898 B2Hewlett-Packard Development Company, L. P.
- Air bearings5 Apr 2022US 11,294,323 B2Hewlett-Packard Development Company, L. P.
- Image forming apparatus18 Jul 2024US 2024/0241464 A1Canon Kabushiki Kaisha
- Image forming apparatus21 Dec 2023US 2023/0408948 A1KYOCERA Document Solutions Inc.
- Charging member having a surface layer comprising urethane foam13 Apr 2023US 2023/0113423 A1Hewlett-Packard Development Company, L. P.
- Gap adjustment of non-contact charging roller7 Apr 2022US 2022/0107577 A1Hewlett-Packard Development Company, L. P.
- Air bearings9 Sep 2021US 2021/0278797 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Charging device35US 5,146,280 ACanon Kabushiki Kaisha · 1992
- Method and apparatus for performing a charging process on an image carrying device35US 6,546,219 B2Ricoh Company, Ltd. · 2003
- Apparatus for minimizing toner contamination on an image formation member34US 6,470,161 B2Ricoh Company, Ltd. · 2002
- Charging member and image forming member spacer apparatus29US 5,666,608 AHewlett-Packard Company · 1997
- Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be charged28US 7,103,301 B2Ricoh Company, Ltd. · 2006