G03G 2215/0446
Magnification degree
G03G2215/0446 (Magnification degree) appears on 27 US grants and 3 published applications in this corpus.
Search patents in G03G- Granted patents
- 27
- Published applications
- 3
- Assignees
- 9
- Inventors
- 47
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus having controller to control movement of pressing member for pressing the inner surface of transfer belt27 Aug 2024US 12,072,647 B2Canon Kabushiki Kaisha
- System and method to improve side 1 to side 2 image on paper magnification difference and IQ performance3 Sep 2013US 8,525,857 B2Xerox Corporation
- Image forming apparatus and method with improved capabilities of correcting image magnification error20 Jul 2010US 7,760,222 B2Ricoh Company, Ltd.
- Image formation apparatus and image formation method1 Aug 2000US 6,097,916 ACanon Kabushiki Kaisha
- Variable magnification optical system with light shielding mechanism31 Aug 1999US 5,946,532 AAsahi Kogaku Kogyo Kabushiki Kaisha
- Image forming apparatus5 Oct 2023US 2023/0314981 A1Canon Kabushiki Kaisha
- System and method to improve side 1 to side 2 image on paper magnification difference and iq performance18 Oct 2012US 2012/0262528 A1Xerox Corporation
- Image forming apparatus and method with improved capabilities of correcting image magnification error24 Aug 2006US 2006/0187473 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Copier capable of setting up an erase area on a photoconductive element23US 4,728,985 ARicoh Company, Ltd. · 1988
- Image forming apparatus and erasure illumination device therefor20US 4,734,734 ACanon Kabushiki Kaisha · 1988
- Non-image erase system for reproduction machines14US 4,505,575 AXerox Corporation · 1985
- Image processing apparatus with variable magnification12US 4,743,944 ACanon Kabushiki Kaisha · 1988
- Charge quenching apparatus for electrophotographic copying machine11US 4,384,785 ARicoh Company, Ltd. · 1983