G03G 15/0877
Arrangements for metering and dispensing developer from a developer cartridge into the
Official title: {Arrangements for metering and dispensing developer from a developer cartridge into the development unit}
G03G15/0877 (Arrangements for metering and dispensing developer from a developer cartridge into the) appears on 3,370 US grants and 3,044 published applications in this corpus.
Search patents in G03G- Granted patents
- 3,370
- Published applications
- 3,044
- Assignees
- 201
- Inventors
- 3,304
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 10 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 17 | 0 |
| 1987 | 16 | 0 |
| 1988 | 9 | 0 |
| 1989 | 20 | 0 |
| 1990 | 29 | 0 |
| 1991 | 35 | 0 |
| 1992 | 29 | 0 |
| 1993 | 35 | 0 |
| 1994 | 33 | 0 |
| 1995 | 24 | 0 |
| 1996 | 41 | 0 |
| 1997 | 38 | 0 |
| 1998 | 53 | 0 |
| 1999 | 35 | 0 |
| 2000 | 41 | 0 |
| 2001 | 34 | 16 |
| 2002 | 33 | 35 |
| 2003 | 54 | 44 |
| 2004 | 38 | 76 |
| 2005 | 37 | 78 |
| 2006 | 71 | 89 |
| 2007 | 75 | 152 |
| 2008 | 74 | 148 |
| 2009 | 95 | 189 |
| 2010 | 158 | 135 |
| 2011 | 147 | 160 |
| 2012 | 181 | 149 |
| 2013 | 148 | 154 |
| 2014 | 183 | 165 |
| 2015 | 201 | 122 |
| 2016 | 197 | 137 |
| 2017 | 112 | 140 |
| 2018 | 140 | 132 |
| 2019 | 123 | 115 |
| 2020 | 131 | 115 |
| 2021 | 103 | 164 |
| 2022 | 128 | 120 |
| 2023 | 118 | 115 |
| 2024 | 101 | 113 |
| 2025 | 106 | 110 |
| 2026 | 51 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Toner container and image forming system15 Sep 2026US 12,736,897 B2Canon Kabushiki Kaisha
- Toner seal member and toner cartridge15 Sep 2026US 12,736,899 B2Inoac Corporation
- Developer accommodating container and image forming apparatus1 Oct 2026US 2026/0299464 A1Canon Kabushiki Kaisha
- Developer set and image forming apparatus24 Sep 2026US 2026/0288026 A1KYOCERA Document Solutions Inc.
- 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.
- Sheet-shaped sealing member, removable unit, and image forming apparatus17 Sep 2026US 2026/0277133 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method184US 7,224,925 B2Canon Kabushiki Kaisha · 2007
- Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus173US 5,878,309 ACanon Kabushiki Kaisha · 1999
- Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method169US 7,349,657 B2Canon Kabushiki Kaisha · 2008
- Process cartridge, method for assembling process cartridge and image forming appararatus167US 5,500,714 ACanon Kabushiki Kaisha · 1996
- Developing cartridge157US 6,072,969 ACanon Kabushiki Kaisha · 2000