G03G 15/0872
The developer cartridges being generally horizontally mounted parallel to its longitudinal rotational
Official title: {the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis}
G03G15/0872 (The developer cartridges being generally horizontally mounted parallel to its longitudinal rotational) appears on 990 US grants and 944 published applications in this corpus.
Search patents in G03G- Granted patents
- 990
- Published applications
- 944
- Assignees
- 79
- Inventors
- 1,023
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 18 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 12 | 1 |
| 2002 | 9 | 9 |
| 2003 | 9 | 14 |
| 2004 | 10 | 26 |
| 2005 | 18 | 26 |
| 2006 | 20 | 34 |
| 2007 | 20 | 50 |
| 2008 | 35 | 51 |
| 2009 | 32 | 54 |
| 2010 | 58 | 40 |
| 2011 | 50 | 42 |
| 2012 | 56 | 33 |
| 2013 | 38 | 30 |
| 2014 | 41 | 38 |
| 2015 | 39 | 25 |
| 2016 | 45 | 44 |
| 2017 | 33 | 50 |
| 2018 | 46 | 44 |
| 2019 | 44 | 44 |
| 2020 | 54 | 63 |
| 2021 | 49 | 46 |
| 2022 | 51 | 45 |
| 2023 | 39 | 38 |
| 2024 | 25 | 38 |
| 2025 | 46 | 40 |
| 2026 | 15 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus including cover having opening that allows toner cartridge to pass therethrough but does not allow drum cartridge to pass therethrough11 Aug 2026US 12,704,808 B2Brother Kogyo Kabushiki Kaisha
- Image forming apparatus having gas flow path connected to supplying device16 Jun 2026US 12,656,709 B2FUJIFILM Business Innovation Corp.
- Image forming apparatus16 Jun 2026US 12,656,723 B2KYOCERA Document Solutions Inc.
- Image forming apparatus16 Jun 2026US 12,656,733 B2KYOCERA Document Solutions Inc.
- Developer supply container and developer supplying system19 May 2026US 12,631,987 B2Canon Kabushiki Kaisha
- Image forming apparatus24 Sep 2026US 2026/0288042 A1
- Developer supply container and developer supplying system17 Sep 2026US 2026/0277131 A1Canon Kabushiki Kaisha
- Toner storage container17 Sep 2026US 2026/0277132 A1KYOCERA Document Solutions Inc.
- Toner conveying device, and developing device and image forming apparatus therewith17 Sep 2026US 2026/0277135 A1KYOCERA Document Solutions Inc.
- Image forming apparatus13 Aug 2026US 2026/0235977 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Toner bottle, toner supply system and image forming apparatus using same133US 6,185,401 B2Canon Kabushiki Kaisha · 2001
- Developer replenishing device and developer container for use therewith103US 5,455,662 ARicoh Company, Ltd. · 1995
- Image forming apparatus and toner replenishing device therefor94US 6,118,951 ARicoh Company, Ltd. · 2000
- Developer cartridge and developing apparatus89US 5,579,101 ACanon Kabushiki Kaisha · 1996
- Developer container, developer supplying device, and image forming apparatus89US 7,321,744 B2Ricoh Company, Ltd. · 2008