G03G 2215/0429
Changing or enhancing the image
G03G2215/0429 (Changing or enhancing the image) appears on 236 US grants and 154 published applications in this corpus.
Search patents in G03G- Granted patents
- 236
- Published applications
- 154
- Assignees
- 48
- Inventors
- 476
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 7 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 6 |
| 2006 | 5 | 6 |
| 2007 | 3 | 6 |
| 2008 | 4 | 6 |
| 2009 | 4 | 13 |
| 2010 | 4 | 5 |
| 2011 | 5 | 7 |
| 2012 | 10 | 6 |
| 2013 | 9 | 2 |
| 2014 | 6 | 2 |
| 2015 | 4 | 9 |
| 2016 | 8 | 5 |
| 2017 | 3 | 5 |
| 2018 | 4 | 12 |
| 2019 | 13 | 4 |
| 2020 | 6 | 11 |
| 2021 | 6 | 4 |
| 2022 | 4 | 4 |
| 2023 | 5 | 9 |
| 2024 | 7 | 17 |
| 2025 | 7 | 9 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus controlling pre-exposure of photosensitive drum8 Sep 2026US 12,730,392 B2Canon Kabushiki Kaisha
- Bookbinding apparatus that creates book by bonding a plurality of sheets using toner11 Aug 2026US 12,704,798 B2Canon Kabushiki Kaisha
- Medium processing apparatus and image forming system incorporating same28 Jul 2026US 12,691,693 B2Ricoh Company, Ltd.
- Post-processing device and image forming apparatus21 Jul 2026US 12,686,586 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus that performs image corrections based on test images and control method for image forming apparatus21 Jul 2026US 12,687,810 B2Toshiba Tec Kabushiki Kaisha
- Image forming apparatus, image forming system, and non-transitory computer readable medium storing image forming program1 Oct 2026US 2026/0299479 A1FUJIFILM Business Innovation Corp.
- Exposure head and image forming apparatus4 Dec 2025US 2025/0370368 A1Canon Kabushiki Kaisha
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus18 Sep 2025US 2025/0291307 A1FUJIFILM Business Innovation Corp.
- Image forming system for inspecting quality of image formed on sheet and generating correction data to correct second image using the correction data11 Sep 2025US 2025/0284234 A1Canon Kabushiki Kaisha
- Image forming apparatus28 Aug 2025US 2025/0271785 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Collector for an LED array195US 4,767,172 AXerox Corporation · 1988
- Method, control circuit, computer program product and printing device for an electrophotographic process with temperature-compensated discharge depth regulation128US 7,027,078 B2Oce Printing Systems GmbH · 2006
- Dual mode electrophotographic apparatus having dual function printing beam61US 4,046,471 AInternational Business Machines Corporation · 1977
- Copying machine provided with means for selectively setting original base line42US 4,256,400 ACanon Kabushiki Kaisha · 1981
- Light pipe for accurate erasure of photoconductor charge40US 4,255,042 AInternational Business Machines Corporation · 1981