G03G 21/1619
Frame structures
Official title: {Frame structures}
G03G21/1619 (Frame structures) appears on 879 US grants and 963 published applications in this corpus.
Search patents in G03G- Granted patents
- 879
- Published applications
- 963
- Assignees
- 65
- Inventors
- 1,226
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 0 |
| 2004 | 2 | 5 |
| 2005 | 2 | 11 |
| 2006 | 1 | 11 |
| 2007 | 8 | 14 |
| 2008 | 7 | 11 |
| 2009 | 6 | 16 |
| 2010 | 16 | 26 |
| 2011 | 24 | 28 |
| 2012 | 26 | 27 |
| 2013 | 30 | 45 |
| 2014 | 46 | 59 |
| 2015 | 66 | 67 |
| 2016 | 93 | 62 |
| 2017 | 44 | 62 |
| 2018 | 51 | 44 |
| 2019 | 46 | 40 |
| 2020 | 55 | 54 |
| 2021 | 43 | 67 |
| 2022 | 49 | 47 |
| 2023 | 71 | 71 |
| 2024 | 60 | 69 |
| 2025 | 54 | 63 |
| 2026 | 37 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus29 Sep 2026US 12,748,361 B2Canon Kabushiki Kaisha
- Printer and integrated light source module thereof1 Sep 2026US 12,724,380 B2Avision Inc.
- Image forming apparatus to selectively supply air to stations including image forming units18 Aug 2026US 12,710,723 B2Ricoh Company, Ltd.
- Image forming apparatus11 Aug 2026US 12,704,801 B2Canon Kabushiki Kaisha
- Image forming apparatus with enhanced cooling performance11 Aug 2026US 12,704,807 B2Ricoh Company, Ltd.
- Image forming apparatus8 Oct 2026US 2026/0310128 A1Sharp Kabushiki Kaisha
- Housing and image forming apparatus24 Sep 2026US 2026/0288053 A1FUJIFILM Business Innovation Corp.
- Image forming apparatus including protrusions on main housing for restricting posture deviation of fixing device during attachment of the fixing device to the main housing24 Sep 2026US 2026/0288054 A1Brother Kogyo Kabushiki Kaisha
- Image forming apparatus17 Sep 2026US 2026/0277150 A1Canon Kabushiki Kaisha
- Arrangement of operation unit in image forming apparatus17 Sep 2026US 2026/0281258 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- 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
- Image-forming machine59US 5,028,966 AMita Industrial Co., Ltd. · 1991
- Image recording apparatus constituting of selectable units53US 5,208,612 ARicoh Company, Ltd. · 1993
- Image forming apparatus and image forming unit45US 7,778,567 B2Brother Kogyo Kabushiki Kaisha · 2010
- Cartridge, and toner container40US 7,099,607 B2Canon Kabushiki Kaisha · 2006