G03G 2221/1672
Paper handling
G03G2221/1672 (Paper handling) appears on 473 US grants and 322 published applications in this corpus.
Search patents in G03G- Granted patents
- 473
- Published applications
- 322
- Assignees
- 75
- Inventors
- 973
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 12 | 0 |
| 1987 | 17 | 0 |
| 1988 | 16 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 15 | 0 |
| 1992 | 16 | 0 |
| 1993 | 9 | 0 |
| 1994 | 16 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 10 |
| 2003 | 8 | 14 |
| 2004 | 11 | 12 |
| 2005 | 9 | 20 |
| 2006 | 10 | 32 |
| 2007 | 15 | 25 |
| 2008 | 21 | 24 |
| 2009 | 21 | 32 |
| 2010 | 16 | 31 |
| 2011 | 24 | 28 |
| 2012 | 30 | 8 |
| 2013 | 21 | 2 |
| 2014 | 9 | 8 |
| 2015 | 10 | 14 |
| 2016 | 11 | 5 |
| 2017 | 8 | 12 |
| 2018 | 9 | 7 |
| 2019 | 9 | 5 |
| 2020 | 4 | 4 |
| 2021 | 6 | 6 |
| 2022 | 2 | 0 |
| 2023 | 3 | 5 |
| 2024 | 3 | 2 |
| 2025 | 3 | 10 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Medium transport apparatus12 May 2026US 12,625,457 B2Oki Electric Industry Co., Ltd.
- Image forming apparatus having a filter that covers an opening portion10 Mar 2026US 12,572,111 B2Canon Kabushiki Kaisha
- Intermediate transfer unit and image forming apparatus16 Dec 2025US 12,498,664 B2Ricoh Company, Ltd.
- Sheet finisher26 Aug 2025US 12,399,456 B2Canon Finetech Nisca Inc.
- Sheet characteristic detection device, image forming system including the same, and image forming apparatus8 Jul 2025US 12,353,152 B2Konica Minolta, Inc.
- Cleaning apparatus and image forming apparatus27 Aug 2026US 2026/0251995 A1KYOCERA Document Solutions Inc.
- Image forming apparatus6 Aug 2026US 2026/0227728 A1Canon Kabushiki Kaisha
- Image forming apparatus2 Apr 2026US 2026/0093204 A1Canon Kabushiki Kaisha
- Image forming apparatus26 Mar 2026US 2026/0086495 A1Canon Kabushiki Kaisha
- Image forming apparatus12 Mar 2026US 2026/0072396 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Electrophotographic copying apparatus119US 3,985,436 AMinolta Camera Kabushiki Kaisha · 1976
- Image forming apparatus having selectably controlled sheet discharge paths73US 5,839,032 ARicoh Company, Ltd. · 1998
- Recording apparatus and ink cartridge72US 4,893,137 ACanon Kabushiki Kaisha · 1990
- Image-forming machine having an image forming unit movable from an acting position to a non-acting position68US 6,101,349 AKyocera Mita Corporation · 2000
- Photoreceptor attachment device for an electrophotographic copying machine64US 4,952,989 ASharp Kabushiki Kaisha · 1990