G03G 2215/1657
Of transfer drum
Official title: of transfer drum
G03G2215/1657 (Of transfer drum) appears on 88 US grants and 43 published applications in this corpus.
Search patents in G03G- Granted patents
- 88
- Published applications
- 43
- Assignees
- 31
- Inventors
- 217
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 4 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 7 | 5 |
| 2020 | 4 | 5 |
| 2021 | 3 | 1 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process cartridge, image forming apparatus and toner storage unit25 Aug 2026US 12,717,271 B2Brother Kogyo Kabushiki Kaisha
- Roller cleaning mechanism and image formation apparatus therewith1 Apr 2025US 12,263,691 B2KYOCERA Document Solutions Inc.
- Process cartridge, image forming apparatus and toner storage unit28 Jan 2025US 12,210,313 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus24 Dec 2024US 12,172,863 B2KYOCERA Document Solutions Inc.
- Cleaning member and elastic member24 Dec 2024US 12,174,576 B2Canon Kabushiki Kaisha
- Compound, composition, and electrophotographic photoreceptor19 Feb 2026US 2026/0049081 A1Mitsubishi Chemical Corporation
- Cartridge29 May 2025US 2025/0172901 A1Canon Kabushiki Kaisha
- Process cartridge, image forming apparatus and toner storage unit24 Apr 2025US 2025/0130526 A1Brother Kogyo Kabushiki Kaisha
- Image forming apparatus27 Feb 2025US 2025/0068106 A1FUJIFILM Business Innovation Corp.
- Roller cleaning mechanism and image formation apparatus therewith19 Sep 2024US 2024/0308255 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Gamma correction for apparatus using pre and post transfer image density59US 6,061,533 AMatsushita Electric Industrial Co., Ltd. · 2000
- Image forming apparatus with intermediate transfer member49US 5,438,398 ACanon Kabushiki Kaisha · 1995
- Contact fixing and cleaning method and apparatus38US 4,607,947 AOce-Nederland B. V. · 1986
- Apparatus for electrostatically absorbing an image supporting material on an image supporting carrying member based on the kind of material used26US 5,019,871 ACanon Kabushiki Kaisha · 1991
- Image forming apparatus having transfer charger which is controlled according to ambient conditions26US 5,287,144 ACanon Kabushiki Kaisha · 1994