G03G 21/0094
Fatigue treatment of the photoconductor
Official title: {fatigue treatment of the photoconductor}
G03G21/0094 (Fatigue treatment of the photoconductor) appears on 334 US grants and 360 published applications in this corpus.
Search patents in G03G- Granted patents
- 334
- Published applications
- 360
- Assignees
- 41
- Inventors
- 633
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 6 |
| 2007 | 2 | 4 |
| 2008 | 3 | 5 |
| 2009 | 7 | 14 |
| 2010 | 5 | 10 |
| 2011 | 12 | 26 |
| 2012 | 9 | 24 |
| 2013 | 18 | 29 |
| 2014 | 35 | 34 |
| 2015 | 40 | 25 |
| 2016 | 32 | 32 |
| 2017 | 30 | 29 |
| 2018 | 21 | 28 |
| 2019 | 32 | 20 |
| 2020 | 20 | 19 |
| 2021 | 10 | 10 |
| 2022 | 10 | 8 |
| 2023 | 5 | 9 |
| 2024 | 11 | 12 |
| 2025 | 6 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus controlling pre-exposure of photosensitive drum8 Sep 2026US 12,730,392 B2Canon Kabushiki Kaisha
- Image forming apparatus24 Mar 2026US 12,585,211 B2Canon Kabushiki Kaisha
- Image forming apparatus and coating-film adjusting method30 Dec 2025US 12,510,859 B2Ricoh Company, Ltd.
- Lubricant composition, transfer device, and image forming apparatus23 Sep 2025US 12,421,470 B2FUJIFILM Business Innovation Corp.
- Disruptions of toner transfers from developers to photoreceptors27 May 2025US 12,313,984 B2Hewlett-Packard Development Company, L. P.
- Light emitting members19 Feb 2026US 2026/0050230 A1Hewlett-Packard Development Company, L. P.
- Control method of image forming apparatus, and image forming apparatus29 Jan 2026US 2026/0029741 A1KYOCERA Document Solutions Inc.
- Image forming apparatus29 Jan 2026US 2026/0029744 A1FUJIFILM Business Innovation Corp.
- Protective layer forming device and image forming apparatus18 Dec 2025US 2025/0383620 A1
- Lubricant application device and image forming apparatus27 Nov 2025US 2025/0362640 A1Konica Minolta, Inc.
Most cited
By later US patents
- Lubricant applying unit, process cartridge, image forming apparatus, and image forming method35US 7,209,699 B2Ricoh Company, Ltd. · 2007
- Lubricant applying unit and image forming apparatus16US 7,496,324 B2Ricoh Company, Ltd. · 2009
- Lubricant applying unit, process cartridge, image forming apparatus, and image forming method16US 7,505,728 B2Ricoh Company, Ltd. · 2009
- Corona discharge device for electrophotographic charging and potential leveling15US 4,408,865 AHewlett-Packard Company · 1983
- Lubricity maintaining image forming apparatus and process cartridge14US 7,603,071 B2Ricoh Company, Ltd. · 2009