G03G 2215/0668
Toner discharging opening at one axial end
G03G2215/0668 (Toner discharging opening at one axial end) appears on 308 US grants and 266 published applications in this corpus.
Search patents in G03G- Granted patents
- 308
- Published applications
- 266
- Assignees
- 48
- Inventors
- 375
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 1 |
| 2002 | 4 | 5 |
| 2003 | 4 | 9 |
| 2004 | 7 | 14 |
| 2005 | 10 | 6 |
| 2006 | 9 | 11 |
| 2007 | 4 | 21 |
| 2008 | 13 | 15 |
| 2009 | 11 | 9 |
| 2010 | 18 | 17 |
| 2011 | 15 | 15 |
| 2012 | 19 | 9 |
| 2013 | 9 | 5 |
| 2014 | 10 | 7 |
| 2015 | 14 | 12 |
| 2016 | 12 | 11 |
| 2017 | 10 | 8 |
| 2018 | 12 | 10 |
| 2019 | 8 | 7 |
| 2020 | 12 | 10 |
| 2021 | 14 | 26 |
| 2022 | 18 | 11 |
| 2023 | 8 | 8 |
| 2024 | 7 | 9 |
| 2025 | 8 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus with powder conveying device having reverse rotation mode24 Mar 2026US 12,585,213 B2Ricoh Company, Ltd.
- Control of drive unit according to detection of amount of toner in toner refill cartridge10 Mar 2026US 12,572,099 B2Hewlett-Packard Development Company, L. P.
- Toner cartridge including casing having opening and shutter20 Jan 2026US 12,529,981 B2Brother Kogyo Kabushiki Kaisha
- Developer replenishment container with annular seal member16 Dec 2025US 12,498,651 B2Canon Kabushiki Kaisha
- Toner container and image forming apparatus23 Sep 2025US 12,422,764 B2Ricoh Company, Ltd.
- Toner storage container17 Sep 2026US 2026/0277132 A1KYOCERA Document Solutions Inc.
- Toner accommodating container and image forming apparatus6 Aug 2026US 2026/0227740 A1FUJIFILM Business Innovation Corp.
- Toner cartridge including casing having opening and shutter18 Jun 2026US 2026/0169402 A1Brother Kogyo Kabushiki Kaisha
- Powder container and image forming apparatus8 Jan 2026US 2026/0010097 A1
- Image forming apparatus and image forming system18 Sep 2025US 2025/0291277 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Developer cartridge and developer replenishing apparatus121US 5,890,040 AKonica Corporation · 1999
- Developer replenishing device and developer container for use therewith103US 5,455,662 ARicoh Company, Ltd. · 1995
- Clean spiral toner cartridge99US 5,495,323 AXerox Corporation · 1996
- Sealing member, toner accommodating container and image forming apparatus83US 6,920,298 B2Canon Kabushiki Kaisha · 2005
- Developer cartridge including RIM configured to open and to close a shutter or an image forming apparatus83US 6,950,621 B2Mitsubishi Chemical America, Inc. · 2005