G03G 15/0879
For dispensing developer from a developer cartridge not directly attached to the
Official title: {for dispensing developer from a developer cartridge not directly attached to the development unit}
G03G15/0879 (For dispensing developer from a developer cartridge not directly attached to the) appears on 666 US grants and 698 published applications in this corpus.
Search patents in G03G- Granted patents
- 666
- Published applications
- 698
- Assignees
- 54
- Inventors
- 926
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 0 | 4 |
| 2002 | 1 | 4 |
| 2003 | 11 | 8 |
| 2004 | 8 | 22 |
| 2005 | 6 | 20 |
| 2006 | 22 | 21 |
| 2007 | 14 | 50 |
| 2008 | 17 | 39 |
| 2009 | 28 | 40 |
| 2010 | 41 | 28 |
| 2011 | 43 | 50 |
| 2012 | 39 | 41 |
| 2013 | 39 | 28 |
| 2014 | 42 | 34 |
| 2015 | 41 | 26 |
| 2016 | 45 | 25 |
| 2017 | 27 | 35 |
| 2018 | 29 | 32 |
| 2019 | 39 | 31 |
| 2020 | 22 | 19 |
| 2021 | 16 | 24 |
| 2022 | 22 | 33 |
| 2023 | 28 | 22 |
| 2024 | 19 | 25 |
| 2025 | 21 | 19 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus including toner conveyance detection portion detecting toner conveyance error in toner conveyance29 Sep 2026US 12,748,364 B2KYOCERA Document Solutions Inc.
- Toner cartridge and image forming apparatus22 Sep 2026US 12,743,040 B2Canon Kabushiki Kaisha
- Image forming apparatus having cyclonic separating portion, toner container, and developing apparatus15 Sep 2026US 12,736,896 B2Canon Kabushiki Kaisha
- Cartridge and image forming apparatus to convey toner using air8 Sep 2026US 12,730,393 B2Canon Kabushiki Kaisha
- Image forming apparatus1 Sep 2026US 12,724,362 B2Canon Kabushiki Kaisha
- Image forming apparatus13 Aug 2026US 2026/0235974 A1Canon Kabushiki Kaisha
- Developer supply container and developer supplying system6 Aug 2026US 2026/0227724 A1Canon Kabushiki Kaisha
- Image forming apparatus25 Jun 2026US 2026/0177943 A1FUJIFILM Business Innovation Corp.
- Developer container and image forming apparatus11 Jun 2026US 2026/0161115 A1Canon Kabushiki Kaisha
- Toner cartridge and image forming apparatus28 May 2026US 2026/0147292 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor121US 6,507,720 B2Ricoh Company, Ltd. · 2003
- Image forming apparatus and toner replenishing device therefor94US 6,118,951 ARicoh Company, Ltd. · 2000
- Toner supply unit and image forming apparatus94US 6,628,908 B2Ricoh Company, Ltd. · 2003
- Developer container, developer supplying device, and image forming apparatus89US 7,321,744 B2Ricoh Company, Ltd. · 2008
- Developer container, developer supplying device, and image forming apparatus86US 7,480,476 B2Ricoh Company, Ltd. · 2009